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  • Inorganic Chemistry  (3,365)
  • 42.74
  • Earth model, also for more shallow analyses !
  • LUNAR AND PLANETARY EXPLORATION
  • 2005-2009  (38)
  • 1935-1939  (3,380)
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  • 1
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    The urosome of the Pan- and Peracarida (2006)
    In:  Contributions to Zoology (13834517) vol.75, 1/2 (2006) p.1
    Details
    Publication Date: 2014-11-07
    Description: We have examined the caudal regions of diverse peracarid and pancarid malacostracans using light and scanning electronic microscopy. The traditional view of malacostracan posterior anatomy is not sustainable, viz., that the free telson, when present, bears the anus near the base. The anus either can occupy a terminal, sub-terminal, or mid-ventral position on the telson; or can be located on the sixth pleomere – even when a free telson is present. Furthermore, there is information that might be interpreted to suggest that in some cases a telson can be absent. Embryologic data indicates that the condition of the body terminus in amphipods cannot be easily characterized, though there does appear to be at least a transient seventh segment that seems to fuse with the sixth segment. Our understanding of the genesis of the so-called telson of amphipods could be subject to alternative interpretations than those traditionally put forth.
    Keywords: anus ; Pancarida ; Peracarida ; pleomeres ; proctodaeum ; teloblasts ; telson ; urosome ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    Sex ratio and sexual selection in wormshrimps (Crustacea, Amphipoda, Ingolfiellidea) (2006)
    In:  Contributions to Zoology (13834517) vol.75, 3/4 (2006) p.189
    Details
    Publication Date: 2014-11-07
    Description: Small populations of several species of the groundwater dwelling amphipod genus Ingolfiella are found in caves, wells, seabottoms, beaches and riverbed interstitial habitats. To gain insight in the socio-ecology of these elusive species, we used data from collected specimens to explore the relationships between sexratios, display of secondary sexual characters and other morphological features, and habitat use. We extracted data on the sex ratios and the presence-absence of secondary sexual characters of 13 species from the literature and through examination of museum material. We found a clearly skewed sex ratio with a preponderance of females, both in the individual species as in the genus as a whole. However, sex ratio and the display of secondary sexual characters were not correlated, nor did these characters correlate with the amount of sexual dimorphism. It remains unknown why so many ingolfiellids have evolved these costly features.
    Keywords: arthropod sex ratio ; socio-ecology ; groundwater amphipods ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    Cladistic analysis of the family Stenothoidae (Amphipoda, Crustacea) (2006)
    In:  Contributions to Zoology (13834517) vol.75, 3/4 (2006) p.169
    Details
    Publication Date: 2014-11-07
    Description: The amphipod family Stenothoidae contains more than 200 species in about 40 genera; these genera are at present often defined not by the presence, but by the absence of synapomorphies, thus defining grades rather than clades. Our phylogenetic analyses yielded 4 groups of stenothoids: a basic proboloidid clade; an advanced and always clearly separated Austral-Antarctic thaumatelsonid clade, with a possibly related Arctic mesometopid clade; and finally a poorly resolved group, the stenothoids sensu stricto, including the large and probably polyphyletic genera Stenothoe and Metopa, each with more than 50 species. It is proposed to study and analyse these groups separately in future, based on better redescriptions of the individual species. Our analyses support the family status of the Thaumatelsonidae, erected as a family by Gurjanova in 1938, but reduced to subfamily rank by Barnard in 1972.
    Keywords: Taxonomy ; Amphipoda ; Stenothoidae ; Thaumatelsonidae ; phylogenetic analysis ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    Late Cretaceous dwarf decapods from Guerrero, southern Mexico and their migration patterns (2006)
    In:  Contributions to Zoology (13834517) vol.75, 3/4 (2006) p.121
    Details
    Publication Date: 2014-11-07
    Description: Two new brachyuran species are described for the Upper Cretaceous Mexcala Formation, Guerrero State, Mexico. Longusorbis quadratus new species (Coniacian, Temalac region) is the oldest and southernmost record for the genus. Xanthosia zoquiapensis new species (Campanian, Zoquiapa region) is the first record for the genus in Mexico. In addition, the age for Costacopluma bishopi Vega and Feldmann is discussed (Coniacian, Temalac region) and represents the oldest and southernmost record for Cretaceous representatives of this genus in North America. All specimens are considerably smaller compared to other species of the same genera and are interpreted as the first example of brachyuran dwarfism in the geological record. These species add new insight into possible migratory routes during the Late Cretaceous. Within Longusorbis, a northwestern migratory route is documented from the Coniacian in Mexico to the Campanian - Maastrichtian of the west coast of North America (Canada), whereas within the genus Xanthosia, a western migratory route from the Albian of Europe to the Campanian of Mexico is indicated. Costacopluma migrated east and north to the west coast of Africa, southeast North America and Greenland.
    Keywords: Dwarfism ; decapoda ; Cretaceous ; new species ; Mexico ; 38.22 ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    Periclimenaeus fawatu spec. nov. (Crustacea: Decapoda: Pontoniinae), from Zanzibar (2006)
    In:  Zoologische Mededelingen (0024-0672) vol.80 (2006) nr.4 p.33
    Details
    Publication Date: 2010-12-12
    Description: A new species of sponge-associated pontoniine shrimp from Zanzibar is described and illustrated and its systematic position is discussed.
    Keywords: Crustacea ; Decapoda ; Pontoniinae ; Periclimenaeus fawatu spec. nov. ; sponge associate ; Zanzibar ; Indian Ocean ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
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    A new classification of the Xanthoidea sensu lato (Crustacea: Decapoda: Brachyura) based on phylogenetic analysis and traditional systematics and evaluation of all fossil Xanthoidea sensu lato (2006)
    In:  Contributions to Zoology (13834517) vol.75, 1/2 (2006) p.23
    Details
    Publication Date: 2014-11-07
    Description: A phylogenetic analysis was conducted including representatives from all recognized extant and extinct families of the Xanthoidea sensu lato, resulting in one new family, Hypothalassiidae. Four xanthoid families are elevated to superfamily status, resulting in Carpilioidea, Pilumnoidoidea, Eriphioidea, Progeryonoidea, and Goneplacoidea, and numerous subfamilies are elevated to family status. The Mathildellidae is moved from the Goneplacidae to the Portunoidea. Diagnoses for all superfamilies and families discussed herein are provided, embracing characters typically used by biologists as well as readily fossilized features of the dorsal carapace, sternum, abdomen, and chelipeds. All genera known from the fossil record at one time referred to the Xanthidae sensu lato, Xanthoidea sensu lato, or Goneplacidae sensu lato were evaluated as to their family level placement and as a result, the family-level placement of many of these genera has been changed herein. Balcacarcinus new substitute name, is provided herein for Bittneria Schweitzer and Karasawa, 2004.
    Keywords: Crustacea ; Decapoda ; Brachyura ; Xanthoidea ; Portunidae ; systematics ; phylogeny ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
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    Materials for a more stable subdivision of the genus Uca Leach (2006)
    In:  Zoologische Mededelingen (00240672) vol.80 (2006) nr.4 p.9
    Details
    Publication Date: 2010-12-12
    Description: The debate on a proper subdivision of the large genus Uca was initiated by the conflicting proposals of Bott (1973) and Crane (1975). In spite of recent computer-aided mending attempts, the overall situation (instability of Uca systematics and nomenclature) has not convincingly improved. Here we try to settle the debate by presenting a simple cladistic analysis sensu Hennig (1950) based on selected morphological characters supplemented by functional remarks and a few behavioural data resulting from fieldwork. All 94 species (except six) were examined, mostly by using the authors’ collection of Uca (partly in Marburg and partly deposited in the Leiden Museum) and all species (see list in chapter 5) are assigned to one of the eight subgenera recognized: Australuca, Cranuca subgen. nov., Gelasimus, Leptuca, Minuca, Paraleptuca, Tubuca, Uca s. str. Some emphasis is laid on a differentiation within the synapomorphies selected: five “major unique inventions” (table 1) are delimited from normal apomorphic character states. The discussion is confined to zoogeographical conclusions, which refer to an early dispersal within “Wegener’s Indo-Atlantic Ocean” and which favour Australia as the centre of origin of the genus Uca.
    Keywords: fiddler crabs ; subgenera ; cladistic analysis ; morphology ; “major unique inventions” ; zoogeography ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    Cherax (Cherax) holthuisi, a new species of crayfish (Crustacea: Decapoda: Parastacidae) from the centre of the Vogelkop Peninsula in Irian Jaya (West New Guinea), Indonesia (2006)
    In:  Zoologische Mededelingen (00240672) vol.80 (2006) nr.1 p.101
    Details
    Publication Date: 2010-12-12
    Description: A new species of crayfish, Cherax (Cherax) holthuisi spec. nov., is described and illustrated on the basis of nine specimens collected from Aitinjo Lake, Irian Jaya, Indonesia.
    Keywords: Crustacea ; Decapoda, Parastacidae ; Cherax (Cherax) holthuisi ; new species ; freshwater crayfish, Irian Jaya ; Indonesia ; West New Guinea ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    Contributions to the knowledge of Leucosiidae VI. Soceulia gen. nov. (Crustacea: Brachyura) (2006)
    In:  Zoologische Mededelingen (0024-0672) vol.80 (2006) nr.4 p.71
    Details
    Publication Date: 2010-12-12
    Description: A new genus, Soceulia, is established for Leucosia species with third to fifth segments of the male abdomen fused, the first male pleopod with shaft coiled once on its axis, and terminating in a digitate apical process encased in a setose muff: L. marmorea Bell, 1855, L. brunnea Miers, 1877, L. major Chen & Ng, 2003, and a new species, S. alainia. The species are described or redescribed and illustrated, extended synonymies are given, and a key for their identification is provided.
    Keywords: Decapoda ; Leucosiidae ; Leucosia ; Soceulia ; new genus ; new species ; Indo-Pacific ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    Contributions to the knowledge of Leucosiidae V. Coleusia gen. nov. (Crustacea: Brachyura) (2006)
    In:  Zoologische Mededelingen (0024-0672) vol.80 (2006) nr.4 p.55
    Details
    Publication Date: 2010-12-12
    Description: A new genus, Coleusia, is established for Leucosia species with segments 3-5 of the male abdomen fused, the shaft of the male’s first pleopod coiled thrice on its axis, bearing distally a setose lobe and an elongate apical process: L. biannulata Tyndale-Biscoe & George, 1962, L. magna Tyndale-Biscoe & George, 1962, L. signata Paulson, 1875, and L. urania (Herbst, 1801), and a new species: C. rangita. The species are described or redescribed and illustrated, extended synonymies are given, and a key for their identification is provided.
    Keywords: Decapoda ; Leucosiidae ; Leucosia ; Coleusia ; new genus ; new species ; Indo-Pacific ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 11
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    On two rare species of caridean shrimp from the hydrothermal fields Lucky Strike and Menez Gwen on the Mid-Atlantic Ridge (2006)
    In:  Zoologische Mededelingen (0024-0672) vol.80 (2006) nr.4 p.45
    Details
    Publication Date: 2010-12-12
    Description: During the DIVA-2 cruise (May 31 - July 4, 1994, see Desbruyères et al., 1994) and the PICO cruise (June 25 – July 11, 1998, N/O Nadir, PI: D. Desbruyères) to the Azores Triple Junction Area, two rare species of caridean shrimp were collected. Seven specimens of the pandalid Plesionika alexandri (A. Milne Edwards, 1883) were collected at the Lucky Strike hydrothermal vent field (37°20’N), and one specimen of the pontoniine Periclimenes kornii (Lo Bianco, 1903), at the Menez Gwen hydrothermal vent field (37°50’N). These hydrothermal vent fields are located on the Mid-Atlantic Ridge SW of the Azores. Both species of shrimp are only known from a few specimens. The original description of Plesionika alexandri was based on an incomplete specimen. It is now re-described on the bases of the present material
    Keywords: Crustacea ; Decapoda ; Caridea ; Plesionika alexandri, re-description, Periclimenes kornii ; Mid-Atlantic Ridge ; 42.74
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  • 12
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    The thermal structure of the lithosphere from shear wave velocities (2006)
    In:  Earth planet. Sci. Lett., New York, August, vol. 244, no. 1-2, pp. 285-301, pp. 1055, (ISSN: 1340-4202)
    Details
    Publication Date: 2006
    Keywords: Geothermics ; Deep seismic sounding (espec. cont. crust) ; Shear waves ; Rayleigh waves ; Tomography ; Mineralogy ; Earth model, also for more shallow analyses ! ; Velocity depth profile ; EPSL ; Geochemistry ; Rayleigh ; wave ; tomography ; lithosphere ; mantle ; temperature ; diamonds
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    BIBLIOGRAPHY SEISMOLOGY
  • 13
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    The nature of the 660-kilometer discontinuity in Earth's mantle from global seismic observations of PP precursors (2006)
    In:  Nature, London, 416 pp., Geological Society, vol. 311, no. 5758, pp. 198-201, pp. L24307, (ISBN 1-86239-117-3)
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    Publication Date: 2006
    Keywords: Seismicity ; Earth model, also for more shallow analyses !
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    BIBLIOGRAPHY SEISMOLOGY
  • 14
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    Older crust underlies Iceland (2006)
    In:  Geophysical Journal International, Kobe, 1, vol. 165, no. 2, pp. 672-676, pp. 8010, (ISBN: 0534351875, 2nd edition)
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    Publication Date: 2006
    Keywords: Earth model, also for more shallow analyses ! ; crust, ; hotspot, ; Iceland, ; micro ; plate, ; plume ; Velocity depth profile ; PLUME ; Plate tectonics ; GJI
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  • 15
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    Bounds on the width of mantle lithosphere flow derived from surface geodetic measurements: application to the central Southern Alps, New Zealand (2006)
    In:  Geophysical Journal International, Münster, 3, vol. 166, no. 1, pp. 403-417, pp. B05407, (ISBN 0-471-26610-8)
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    Publication Date: 2006
    Keywords: Strain ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Fault zone ; Geodesy ; Rheology ; Inelastic ; Earth model, also for more shallow analyses ! ; GJI ; crustal ; deformation, ; fault ; tectonics, ; geodesy, ; Alpine ; Fault
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  • 16
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    TransformationsALP-A transect through a young collisional orogen: Introduction (2006)
    In:  Tectonophys., Berlin, Inst. Electrical & Electronics Engineers, vol. 414, no. 1-4, pp. 1-7, pp. L17301, (ISBN: 0534351875, 2nd edition)
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    Publication Date: 2006
    Keywords: Review article ; Project report/description ; Deep seismic sounding (espec. cont. crust) ; eastern ; Alps ; Reflection seismics ; Gravimetry, Gravitation ; Tectonics ; orogeny ; Plate tectonics ; AnisotropyS ; Paleomagnetism ; Geol. aspects ; Structural geology ; Earth model, also for more shallow analyses ! ; Velocity depth profile
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  • 17
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    Lithospheric and upper mantle structure of central Chile and Argentina (2006)
    In:  Geophys. J. Int., Bonn, South Afr. Inst. Mining Metall., vol. 165, no. 1, pp. 383-398, pp. 1056, (ISBN: 0534351875, 2nd edition)
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    Publication Date: 2006
    Keywords: Earth model, also for more shallow analyses ! ; Velocity depth profile ; South ; America ; Receiver functions ; Subduction zone ; GJI ; Andes, ; crustal ; structure, ; flat ; subduction, ; lithospheric ; deformation, ; Sierras ; Pampeanas, ; receiver ; functions
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  • 18
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    Constraining mantle flow with seismic and geodynamic data: A joint approach (2006)
    In:  Earth and Planetary Science Letters, Minsk, Polish Geothermal Association, vol. 246, no. 1-2, pp. 109-124, pp. TC5003, (ISSN: 1340-4202)
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    Publication Date: 2006
    Keywords: Plate tectonics ; ConvolutionE ; Shear waves ; Tomography ; Three dimensional ; Seismicity ; density ; Earth model, also for more shallow analyses ! ; GeodesyY ; Modelling ; EPSL ; mantle ; convection ; seismic ; tomography ; joint ; modeling ; flow ; boundaries
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  • 19
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    A new method for the computation of global viscoelastic post-seismic deformation in a realistic earth model (I) - vertical displacement and gravity variation (2006)
    In:  Geophys. J. Int., Washington, D.C., AGU, vol. 164, no. 2, pp. 273-289, pp. 2211, (ISSN: 1340-4202)
    Details
    Publication Date: 2006
    Keywords: Earth model, also for more shallow analyses ! ; Rheology ; Gravimetry, Gravitation ; Modelling ; GeodesyY ; GJI ; crustal ; deformation, ; dislocation, ; geodynamics, ; normal ; modes, ; tectonics, ; viscoelasticity ; Inelastic ; NOModelling ; Tectonics
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  • 20
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    On two new species of the genera Haberma and Parasesarma (Crustacea: Decapoda: Brachyura: Sesarmidae) from Papua, Indonesia (2005)
    In:  Zoologische Mededelingen (00240672) vol.79-2 (2005) p.167
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    Publication Date: 2007-01-16
    Description: Two new species of sesarmid crabs are described from the mangroves of Timika in Papua (= Irian Jaya), Indonesia. Haberma kamora spec. nov. is the second species in the genus described from Singapore, differing from the type species in the form of its male first pleopods and possessing relatively more slender ambulatory legs. Parasesarma charis spec. nov. resembles P. erythrodactyla, P. tripectinis and to some extent, P. lepidum, but has different ambulatory leg proportions and a distinctive male first pleopod structure. Parasesarma acis Davie, 1993, is regarded as a junior synonym of P. tripectinis Shen, 1940.
    Keywords: Crustacea ; Decapoda ; Brachyura ; Sesarmidae ; taxonomy ; Haberma ; Parasesarma ; new species ; Indonesia ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 21
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    Contributions to the knowledge of Leucosiidae III. Urnalana gen. nov. (Crustacea: Brachyura) (2005)
    In:  Zoologische Mededelingen (00240672) vol.79-2 (2005) p.9
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    Publication Date: 2007-01-16
    Description: A new genus, Urnalana, is established for Leucosia species with an urn-shaped carapace: L. angulata Rathbun, 1911, L. chevretii Haswell, 1880, L. cumingii Bell, 1855, L. elata A. Milne Edwards, 1874, L. elatoides Bouvier, 1915, L. hilaris Nobili, 1905, L. haematostica Adams & White, 1849, L. insularis Takeda & Kurata, 1976, L. margaritata A. Milne Edwards, 1874, L. pulchella Bell, 1855, L. purarensis Ovaere, 1987, L. thysanotus George & Clark, 1976, L. whitei Bell, 1855, and three new species: U. elatula, U. granulimera, and U. parahaematostica. The species are described or redescribed and illustrated, extended synonymies are given, and a key for their identification is provided.
    Keywords: Decapoda ; Leucosiidae ; Leucosia ; new genus ; new species ; Indo-Pacific ; 42.74
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  • 22
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    Two new genera and three new species of subterranean cyclopoids (Crustacea, Copepoda) from New Zealand, with redescription of Goniocyclops silvestris Harding, 1958 (2005)
    In:  Contributions to Zoology (13834517) vol.74, 3/4 (2005) p.223
    Details
    Publication Date: 2014-11-07
    Description: A small collection of copepod samples from several wells in the Canterbury region, South Island, was examined. It contained a few cosmopolitan cyclopoid species, three interesting harpacticoids, as well as two new cyclopoid genera. The latter are presented in this paper, together with a redescription and first description of the male of Goniocyclops silvestris Harding, 1958, a cyclopoid species previously known only from North Island. Both new genera are from the Diacyclops-Acanthocyclops complex. Abdiacyclops gen. nov. is easily distinguishable from the complex by its unique swimming legs segmentation formula (2/2, 3/3, 3/3, 3/3), and is so far monospecific and known only after females. The most important characters of the second new genus, Zealandcyclops gen. nov. are: the swimming legs segmentation formula of 2/2, 3/2, 3/2, 3/2; a very small and two-segmented fifth leg; 11-segmented antennula; and sexual dimorphism in the swimming legs, with a transformed apical spine on the third leg endopod in the male. Four species were included in this genus: Zealandcyclops fenwicki sp. nov., from a well in the South Canterbury region; Z. haywardi sp. nov., from a well in the North Canterbury region; Z. eulitoralis (Alekseev and Arov, 1986) comb. nov., from the interstitial of several beaches on the southern shore of Lake Baikal; and Z. biceri (Boxshall et al., 1993) comb. nov., from a sandy beach on the western shore of Lake Baikal. Zealandcyclops gen. nov. seems to be an archaic cyclopoid genus, having survived only in New Zealand and in the ancient Lake Baikal. With the present report, the New Zealand cyclopoid fauna numbers 16 species, a systematic list of which is presented in this paper. The majority of them are cosmopolitan elements, probably introduced here by early European settlers. Only one genus (8%) and six species (38%) are endemic, which is probably a reflection of the absence of any comprehensive research on the New Zealand cyclopoids.
    Keywords: Stygofauna ; Cyclopoida ; New Zealand ; taxonomy ; Abdiacyclops ; Zealandcyclops ; Goniocyclops ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 23
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    On the genus Strandesia Stuhlmann, 1888 (Crustacea, Ostracoda, Cyprididae) with description of Strandesia kimberleyi n. sp. and a key to the extant species of the genus (2005)
    In:  Contributions to Zoology (13834517) vol.74, 1/2 (2005) p.77
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    Publication Date: 2014-11-07
    Description: Strandesia kimberleyi n. sp. is described from subterranean waters of the Kimberley Region (Western Australia). It belongs to the group of relatively elongated Strandesia Stuhlmann, 1888 species, with no projection on the carapace and with a finely serrated posterior margin of the CR and its claws. The new species is characterized by the asymmetrical valves, elongated terminal segment of the maxillular palp, and the presence of a sensory organ antero-proximally on the first segment of the antennula. This is the first time that this organ is reported in the genus Strandesia. Strandesia purpurascens (Brady, 1886) is redescribed, while for S. variegata (Sars, 1901) and S. obliqua (Brady, 1868) some additional notes on the morphology are provided. A key to identification of 67 species of Strandesia is here given. This number includes a new species and two new combinations (S. iheringi (Sars, 1901) comb. nov., and S. mollis (Furtos, 1936) comb. nov.). Strandesia ewaldi is proposed as a nomen novum for S. labiata Roessler, 1990, while 31 species are proposed to be synonyms.
    Keywords: taxonomy ; Ostracoda ; Cyprididae ; Strandesia ; key ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 24
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    Arthropods galore (2005)
    In:  Contributions to Zoology (13834517) vol.74, 3/4 (2005) p.313
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    Publication Date: 2014-11-07
    Keywords: Arthropods ; Crustacea ; review ; festschrift ; Fredrick R. Schramm ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Book review
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  • 25
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    Further observations on North African and South Iberian Bathyporeia (Crustacea, Amphipoda), with the description of a new species (2005)
    In:  Contributions to Zoology (13834517) vol.74, 3/4 (2005) p.279
    Details
    Publication Date: 2014-11-07
    Description: A new species of amphipod, Bathyporeia watkini sp. nov. from the Atlantic coasts of North Africa is described. This very characteristic species is abundant in some lagoons and estuaries near 28°N. New morphological information on B. elkaimi d’Udekem d’Acoz and Menioui, 2004 is given after specimens that were recently collected on the Atlantic coasts of southern Spain and South Portugal. The male of B. ledoyeri d’Udekem d’Acoz and Menioui, 2004 is described for the first time and new records of North African B. guilliamsoniana (Bate, 1857) and B. chevreuxi d'Udekem d'Acoz and Vader, 2005a are discussed.
    Keywords: Bathyporeia ; Crustacea ; Amphipoda ; taxonomy ; North Africa ; Spain ; Portugal ; eastern Atlantic ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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    A case of homonymy in fossil verrucid barnacles: Verruca withersi (Crustacea, Thoracica) (2005)
    In:  Scripta Geologica (03757587) vol.130 (2005) p.187
    Details
    Publication Date: 2007-01-15
    Description: For fossil verrucid barnacles, the name Verruca withersi appears to have been used twice; Schram & Newman described material from the Albian-Cenomanian (Cretaceous) of Colombia, while Kruizinga had previously recorded a new species from the Pleistocene(?) or perhaps younger strata of Sumba (Indonesia). We do not consider V. withersi Schram & Newman to be a cirripede, therefore no replacement name is needed for this junior synonym. Verruca withersi Kruizinga is a valid species related to the extant V. cookei.
    Keywords: Crustacea ; Cirripedia ; Thoracica ; Verrucidae ; homonymys ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 27
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    Revision of the genus Spermophora Hentz in Southeast Asia and on the Pacific Islands, with descriptions of three new genera (Araneae: Pholcidae) (2005)
    In:  Zoologische Mededelingen (00240672) vol.79-2 (2005) p.61
    Details
    Publication Date: 2007-01-16
    Description: The main aim of the present paper is to delimit ‘true’ Spermophora, i.e. the group of species most closely related to the type species S. senoculata (Dugès). Apart from the type species, only three previously described species are included in this core group (S. estebani Simon, S. paluma Huber, S. yao Huber), together with nine newly described species: S. kerinci, S. tumbang, S. dumoga, S. maros, S. deelemanae, S. palau, S. kaindi, S. luzonica, and S. sumbawa. Except for the Holarctic and anthropophilic type species, all species have limited distributions in Southeast Asia, northeastern Australia, and the Pacific Islands, where they inhabit the leaf litter layer of tropical forests as well as caves. A tight correlation is documented in Spermophora between the male cheliceral apophyses (distance between the tips) and the pockets on the female external genitalia. In addition, three new Southeast Asian genera are described that appear similar to Spermophora but do not share the synapomorphies of the genus: Aetana n. gen. with three new species from the Philippines (A. omayan), Borneo (A. kinabalu), and Fiji (A. fiji); Savarna n. gen., with one new species from southern Thailand (S. thaleban) and two species from Sumatra and Malaysia transferred from Spermophora [Savarna tessellata (Simon) n. comb., and S. baso (Roewer) n. comb.]; and Khorata n. gen., with four new species from Thailand (K. bangkok, K. schwendingeri) and Laos (K. khammouan, K. jaegeri).
    Keywords: Araneae ; Pholcidae ; Spermophora ; revision ; taxonomy ; Southeast Asia ; Pacific ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 28
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    Contributions to the knowledge of Leucosiidae IV. Seulocia gen. nov. (Crustacea: Brachyura) (2005)
    In:  Zoologische Mededelingen (00240672) vol.79-2 (2005) p.41
    Details
    Publication Date: 2007-01-16
    Description: A new genus, Seulocia, is established for Leucosia species with segments 3-6 of the male abdomen fused, and the first male pleopod with straight shaft, twisted once on its axis: L. laevimana Miers, 1884, L. latirostrata Shen & Chen, 1978, L. pubescens Miers, 1877, L. pulchra Shen & Chen, 1978, L. rhomboidalis de Haan, 1841, L. truncata Alcock, 1896, and L. vittata Stimpson, 1858, and three new species: S. anahita, S. crepuscula, S. cristata. The species are described or redescribed and illustrated, extended synonymies are given, and a key for their identification is provided. The choice of the lectotype of L. rhomboidalis is discussed.
    Keywords: Decapoda ; Leucosiidae ; Leucosia ; Seulocia ; new genus ; new species ; Indo-Pacific ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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  • 29
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    Increased genetic diversity in Greek populations of the genus Ligidium (Crustacea: Isopoda: Oniscidea) revealed by RFLP analysis of mtDNA segments (2005)
    In:  Contributions to Zoology (13834517) vol.74, 3/4 (2005) nr.3/4 p.255
    Details
    Publication Date: 2014-11-07
    Description: We investigated mtDNA genetic differentiation and the phylogenetic relationships of 11 populations of the oniscidean genus Ligidium. We studied nine populations from Greece, assigned to three nominal species (L. euboicum, L. germanicum and L. beieri), and two from central Europe (L. germanicum and L. hypnorum), applying RFLP analysis of two mtDNA segments (12S rDNA and 16S rDNA) amplified by PCR. The analysis revealed seven monomorphic and four polymorphic populations, and 17 different haplotypes, each one present in one population only. Several restriction enzymes produced population specific patterns, enabling discrimination among the different populations. The estimated net nucleotide divergence between populations ranges from 1.06 to 16.52%, while the high NST value (0.96) indicates the existence of increased interpopulation genetic differentiation that can be attributed to the extreme isolation among Ligidium populations. The relationships between haplotypes and populations are not congruent with their geographical distribution and the established taxonomy within the genus.
    Keywords: Oniscidea ; Greece ; mtDNA ; RLFPs ; genetic isolation ; Ligidium ; isopods ; 16S rDNA ; 12S rDNA ; 42.74
    Repository Name: National Museum of Natural History, Netherlands
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    Multidisciplinary impact of the deep mantle phase transition in perovskite structure (2005)
    In:  Eos, Trans., Am. Geophys. Un., Tulsa, 450 pp.; 2nd modified and expanded ed., Society of Exploration Geophysics, vol. 86, no. 1, pp. 1 & 5, pp. B12408, (ISSN: 1340-4202)
    Details
    Publication Date: 2005
    Keywords: Mineralogy ; Seismology ; Earth model, also for more shallow analyses ! ; earth mantle
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    BIBLIOGRAPHY SEISMOLOGY
  • 31
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    Empirical relations between elastic wavespeeds and density in the earth's crust (2005)
    In:  Bulletin of the Seismological Society of America, Leipzig, 3-4, vol. 95, no. 6, pp. 2081-2092, pp. L06305, (ISBN: 0-12-018847-3)
    Details
    Publication Date: 2005
    Keywords: Seismology ; Velocity ; density ; Earth model, also for more shallow analyses ! ; Velocity depth profile ; BSSA
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  • 32
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    High precision earthquake locations in Koyna-Warna seismic zone reveal depth variation in brittle-ductile transition zone (2005)
    In:  Geophys. Res. Lett., Berlin, 120 pp., Akademie-Verlag, vol. 32, no. 8, pp. 2028-2036, pp. L08310, (ISSN: 1340-4202)
    Details
    Publication Date: 2005
    Keywords: Location ; Seismology ; Induced seismicity ; Rheology ; Rock mechanics ; Earth model, also for more shallow analyses ! ; GRL
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  • 33
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    Upper mantle structure in the south central Chilean subduction zone (30° to 36 °S) (2005)
    In:  J. Geophys. Res., Leipzig, Akad. Nauk SSSR, vol. 110, no. B1, pp. 1823-1826, pp. B01308, (ISSN: 1340-4202)
    Details
    Publication Date: 2005
    Keywords: Velocity depth profile ; Earth model, also for more shallow analyses ! ; Subduction zone ; South ; America ; JGR
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  • 34
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    An observation of PKJKP: Inferences on inner core shear properties (2005)
    In:  Science, Luxembourg, Conseil de l'Europe, vol. 308, no. 5727, pp. 1453-1455, pp. 2501, (ISBN: 0-12-018847-3)
    Details
    Publication Date: 2005
    Keywords: Seismology ; Earth model, also for more shallow analyses ! ; Physical properties of rocks
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  • 35
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    A proposal for a consistent parametrization of earth models (2005)
    In:  Geophys. J. Int., Tokyo, Terra Scientific Publishing Company, vol. 162, no. 2, pp. 425-430, pp. B03312, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 2005
    Keywords: Earth model, also for more shallow analyses ! ; Seismology ; Quality factor ; Attenuation ; Rheology ; Inelastic ; earth ; models, ; quality ; factor, ; viscoelastic ; media, ; real ; part ; of ; the ; viscoelastic ; modulus ; GJI
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  • 36
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    Calibration of International Monitoring System (IMS) stations in central and eastern Asia for improved seismic event location (2005)
    In:  Bull. Seism. Soc. Am., Albuquerque, New Mexico, Geological Survey United States Department of the Interior, vol. 95, no. 4, pp. 1535-1560, pp. L09306, (ISSN: 1340-4202)
    Details
    Publication Date: 2005
    Keywords: Seismology ; Location ; Seismic networks ; Travel time ; station ; corrections ; China ; India ; Pakistan ; Russia ; Korea ; Vietnam ; Thailand ; Kirgistan ; Nuclear explosion ; CTBT ; IASP91 ; Earth model, also for more shallow analyses ! ; Toksoez ; Toksoz ; BSSA
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  • 37
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    Radioisotope tracers reveal extensive melting in Earth's distant past (2005)
    In:  Physics Today, Hannover, Dt. Geophys. Ges. e. V., vol. 58, no. 9, pp. 19-21, pp. L15S14, (ISSN: 1340-4202)
    Details
    Publication Date: 2005
    Description: New isotope-ratio measurements from primitive meteorites provide evidence that Earth's mantle divided into separate, chemically distinct reservoirs
    Keywords: Geochemistry ; Planetology ; earth mantle ; Earth model, also for more shallow analyses ! ; Osmium ; Neodynium
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  • 38
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    Seismic Earth: Array Analysis of Broadband Seismograms (2005)
    AGU
    In:  Washington, D.C., 280 pages, AGU, vol. 81A and 81B, no. 22, pp. 65-70, (ISBN 0-87590-422-X)
    Details
    Publication Date: 2005
    Keywords: Seismology ; Seismic arrays ; Data analysis / ~ processing ; Ray seismics ; Synthetic seismograms ; Modelling ; Wave propagation ; Waves ; Earth model, also for more shallow analyses ! ; Physical properties of rocks ; Broad-band
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  • 39
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    Masthead (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939) 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400201
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    Beiträge zur systematischen Verwandtschaftslehre. 86. Über die Verwandtschaft von Rhenium zu Arsen (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 129-138 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400203
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  • 41
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    Über Die Mischkristalle des Kryoliths mit Tonerde (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 145-149 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400206
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  • 42
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    Über die Mischkristallbildung zwischen einigen salzartigen Fluoriden von verschiedenem Formeltypus (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 150-156 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400207
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  • 43
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    Über eine neue, ferromagnetische Modifikation des Eisen (III)-oxyds (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 161-166 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Bei der Oxydation von Ferrosalzlösungen in alkalischer Lösung entsteht ferromagnetisches δ-Fe2O3.
    Additional Material: 1 Tab.
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    URL: http://dx.doi.org/10.1002/zaac.19392400209
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  • 44
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    Gleichgewichtsstudien über erzbildende Sulfide. I (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 173-197 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Studiert wurden die Isothermen des reduzierten Abbaues der folgenden Thioantimonid- und Thiobismutidgruppen Ferner wurden orientierende Versuche über die Aufschwefelung von FeS und Cu2S mit H2S/H2-Mischungen vorgenommen.
    Additional Material: 23 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400211
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  • 45
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    Zum Mechanismus der Aggregation der Kieselsäure aus Natriumsilikatlösungen. I. Die in sauren Lösungen beständige niedermolekulare Kieselsäure (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 198-208 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Es wurden die Gleichgewichtsverhältnisse zwischen niedermolekularer und höher aggregierter Kieselsäure in verdünnten Natriumsilikatlösungen in Abhängigkeit von [H+], Alter und Art der Säure studiert.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392400212
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  • 46
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    Topochemisch hergestellte Eisenhydroxydpräparate (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 232-240 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400304
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  • 47
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    Konstitution von Jodsäure. III (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 217-231 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Untersuchung verschiedener physikalischer Eigenschaften von wäßrigen Jodsäurelösungen wird im einzelnen beschrieben. Durch Anwendung der Mischungsgleichung zur Eliminierung des Lösungsmitteleinflusses werden Kurven über die Abhängigkeit der untersuchten physikalischen Eigenschaft von der Konzentration der Lösung erhalten, die bei 0,1 n und 0,04 n Knicke bzw. Unstetigkeiten aufweisen. Alle Kurven ergeben praktisch das gleiche Bild. Diese Unstetigkeiten werden in der Weise gedeutet, daß bei den genannten Konzentrationen eine Depolymerisation von (HJO3)3 unter Bildung einfacher Moleküle eintritt, wahrscheinlich der Übergang (HJO3)3 → (HJO3)2 → (HJO3). Eine Prüfung der Ramanspektren bestätigte diesen Befund.
    Additional Material: 8 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392400303
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    Über die Systeme Alkalioxyd-CaO—Al2O3—SiO2—CO2. VII. Der Einfluß von Katalysatoren auf die Einstellung des Calcit-Wollastonit-Gleichgewichtes (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 273-283 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400307
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  • 49
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    Das Atomgewicht des Cassiopeiums Analyse des Cassiopeiumtrichlorids (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 284-288 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400308
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  • 50
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    Masthead (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939) 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400401
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  • 51
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    Kristallstrukturen von Thoriumphosphiden (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 300-312 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400403
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  • 52
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    Über die Legierungen des Galliums mit Gold (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 289-299 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Diethermische, mikroskopische und röntgenographische Untersuchung des Systems Gold-Gallium führte zur Auffindung folgender Phasen:α-Phase. Feste Lösung von Ga in Au, schmales Kristallisationsgebiet. Sättigungsgrenze 26,1 Atom-% Ga bei 352°, Abnahme der Löslichkeit mit sinkender Temperatur (15,8 Atom-% Ga bei 200°, etwa 10 Atom-% Ga bei Zimmertemperatur). Gitterkonstanten der Legierungen der α-Phase von der Gitterkonstante des Au nur wenig verschieden, also praktisch keine Gitterdehnung.β-Phase. Peritektische Bildung bei 352°, Verengung des Homogenitätsgebietes mit sinkender Temperatur, eutektoider Zerfall in α und γ bei 275° und 26,5 Atom-% Ga.
    Additional Material: 13 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392400402
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    Über die Schmelzpunktsalternation der höheren, einsäurigen Triglyzeride (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 313-321 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400404
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  • 54
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    Die Einwirkung von Kohlenoxyd auf ammoniakalische Kupferchromatlösungen (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 322-330 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Aufnahme und Oxydation von Kohlenoxyd in ammoniakalischen Kupfersalzlösungen läßt sich, wenn man von Kupfer-II-hydroxyd bzw. Kupfer-II-karbonat ausgeht, bis zur laufenden Abscheidung von festem Ammonkarbonat(1) entwickeln. Die hier beschriebenen Untersuchungen hatten daz Ziel, den zusätzlichen Einfluß eines oxydierenden Anions der Kupfer-II-verbindungen auf die Kohlenoxydaufnahme zu bestimmen. Kohlenoxyd wirkte bei Zimmertemperatur und gewöhnlichem Druck auf ammoniakalische Lösungen von Kupferchromaten ein.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392400405
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    Beiträge zur systematischen Verwandtschaftslehre. 87. Über die Phosphide des Kupfers (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 337-354 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392400407
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    Magnetochemische Untersuchungen. XXXI. Über den Paramagnetismus von Verbindungen des sechswertigen Chroms, Molybdäns, Wolframs und Urans (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 355-368 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Es wurde das magnetische Verhalten von Sauerstoffverbindungen des sechswertigen Chroms, Molybdäns, Wolframs und Urans untersucht.
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    Physikalisch-chemische Untersuchungen über den Feinbau von Gläsern. I. Mitteilung. Die Molrefraktion binärer Phosphat-, Silikat- und Boratgläser (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 1-38 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410101
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    Über die Reduzierbarkeit des Berylliumoxydes (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 240 (1939), S. 331-336 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: BeO ist durch Ti bei etwa 1400° im Hochvakuum reduzierbar. Es destilliert Be in eine Kondensvorlage über. Das Metall scheidet sich in derselben in Gestalt eines dichten Überzuges ab, so lange die Temperatur nicht gesteigert wird. Bei höherer Temperatur entweicht TiO, das eine pulverförmige Ablagerung des Be in sehr unreiner Form hervorruft.-Das hochsiedende Metall Titan und sicherlich auch Zirkon, das eine noch größere Sauerstoffaffinität besitzt als Titan, können demnach als Reduktionsmittel für Berylliumoxyd verwendet werden, trotz ihrer untergeordneten Sauerstoffaffinität, sofern man die Umsetzung bei genügend hoher Temperatur im Hochvakuum vornimmt, wobei das Beryllium dampfförmig entweichen kann. BeO kann durch Ca bzw. Mg reduziert werden, wenn man die Umsetzung in Gegenwart von sehr fein verteilten Metallpulvern und bei so hoher Temperatur vollzieht, daß das Be in das Metall eingetempert wird. Die Umsetzung wird unter Argon und in Anwesenheit von Chloriden ausgeführt. Die Schmelzen werden magnetisch (Fe, Ni) und naß aufbereitet, die getrockneten Metallpulver werden hiernach brikettiert und unter Argon eingeschmolzen. Am günstigsten ist die Umsetzung zwischen Eisenpulver, BeO und Ca, wobei Nutzeffekte von 60% verzeichnet wurden. Auch Ni—Be ist in dieser Weise Ca-frei herstellbar, wogegen die Reaktion mit Cu ein stark verunreinigtes, Ca-frei herstellbar, wogegen die Reaktion mit Cu ein stark verunreinigtes, Ca-haltiges Cu—Be liefert. Mg ist als Reduktionsmittel weniger geeingnet, weil der Nutzeffekt infolge Bildung von säureunlöslichem MgO und den damit verknüpften Metallverlusten bei der magnetischen und nassen Aufbereitung sehr sinkt.
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    Bemerkung zu der vorstehenden Abhandlung über Molrefraktionen von Gläsern (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 39-41 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/zaac.19392410102
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    Ammoniakate von Gallium- und Indiumtrifluorid (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 93-96 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/zaac.19392410106
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    Das System ZnO—Na2O—H2O (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 76-92 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In Abb. 2 sind die 20- und 100°-Isothermen des Systems ZnO-Na2O-H2O für die NaOH-Normalitäten 1-21 gezeichnet, außerdem die 30- und 40°-Isothermen für 13-20 n. Bei 20° treten als stabile Bodenkörper auf: 1ZnO zwischen 1 und 13,4 n (A-R),2[Zn(OH)3]Na zwischen 13,5 und 19,6 n (R-G),3[Zn(OH)4]Na2 etwa zwischen 19,7 und 20,1 n (G-H),4Gemisch [Zn(OH)4]Na2 und NaOH·H2O jenseits 20,1 n.
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    Die Zwischenzustände, die bei der Bildung des Magnesiumtitanats aus Magnesiumoxyd und Titandioxyd im festen Zustande auftreten. [22. Mitteilung über Reaktionen im festen Zustande bei höheren Temperaturen] (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 57-75 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In vorliegender Arbeit wurden die Zwischenzustände untersucht, die bei der Bildung von Magnesiummetatitanat aus MgO und TiO2 durch Reaktion im festen Zustand auftreten. Hierbei entsteht bis zu einer Glühtemperatur von 1200° das Magnesiummetatitanat, Verbindung 2 : 1 oder 1 : 2 ist röntgenographisch noch nicht nachweisbar. Die katalytische Verbrennung von CO + O2-Gemisch, der N2O-Zerfall, die Wasser- und Farbstoffsorption und die Löslichkeitsversuche ergaben einen gleichartigen Verlauf über zwei Hauptgebiete großer katalytischer Wirksamkeit. Nach dem röntgenographisch festgestellten ersten Auftreten von Metatitanatkristallen bei 800° wurde ein weiteres Gebiet hoher katalytisch sorptiver Eigenschaften gefunden, das entweder durch die neue Metatitanatoberfläche oder durch eine Adsorption Ton MgO oder TiO2, am Metatitanat hervorgerufen wird.
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    Über die Darstellung der reinen Metalle der Titangruppe durch thermische Zersetzung ihrer Jodide. V. Titan (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 42-56 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Darstellung von duktilem Titan durch thermische Zersetzung von Titanjodid an einem glühenden Draht wird in ihren Einzelheiten beschrieben, ebenso die Bereitung des hierzu benötigten Titanrohmetalls. Der Kerndraht, an dem die Zersetzung des Jodids erfolgt, wird auf eine Temperatur von mindestens 1100° C erhitzt. Die äußere Form der Titanstäbe ist von dieser Temperatur abhängig und gleichzeitig von der Struktur des verwendeten Kerndrahtes (vgl. Ahb. 2). Der Kerndraht befand sich bei den Versuchen in einem Pyrexglasgefäß mit dicken eingeschmolzenen Wolframelektroden, in welchem sich gleichzeitig die erforderliche Menge Rohmetall und eine verhältnismäßig kleine Menge Jod befanden. Dieses Gefäß wird während des Präparierens auf eine geeignete Temperatur erhitzt. Die beim Präparierens auftretenden Erscheinungen werden zu einem wesentlichen Teil durch die Beschaffenheit des Titanrohmetalls bestimmt. Wird von Titanrohmetall in Form einiger Zentimeter großer, poröser Blöcke ausgegangen, wie sie bei der Reduktion von Titantetrachlorid mit Natrium unter bestimmten Umständen erhalten werden können, so findet nicht bei jeder beliebigen hohen Temperatur des Pyrexglaspräpariergefäßes ein Anwachsen des auf eine geeignete Temperatur erhitzten Kerndrahtes statt. Es treten dann jedoch zwei Temperaturgebiete auf, in denen das Präparieren möglich ist: nämlich zwischen 50 und 250°C sowie oberhalb 470° C, während im Zwischengebiet kein Wachsen des Kerndrahtes stattfindet (vgl. Abb. 3). Ist das Präpariergefäß einmal auf eine Temperatur von z. B. 400° C oder höher erhitzt gewesen, so ist das Präparieren bei jeder Temperatur unterhalb 470°C unmöglich. Die Ursache dieser Erscheinungen ist die zwischen TiJ4 und dem Überschuß von Titanrohmetall oberhalb 100° C auftretende Reaktion, bei welcher niedrigeres Jodid gebildet wird. Im niedrigen Temperaturgebiet besteht die Gasphase aus TiJ4, im hohen enthält sie TiJ4 und TiJ2.
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    Die Struktur der sogenannten „Alkalitetroxyde“ (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 97-106 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Die sogenannten Tetroxyde des Kaliums, Rubidiums und Cäsiums kristallisieren tetragonal im CaC2-Typ mit folgenden Gitterkonstanten: TextKO2RbO2CsO4a5,706,006,28c6,757,037,24
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    Die Fluoraustreibung aus reinem Fluorapatit durch Glühen in Gegenwart von Wasserdampf und Kieselsäure (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 107-114 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Das Bild, das sich zusammenfassend von dem Ablauf der Fluoraustreibung aus Fluorapatit durch Wasserdampf und Kieselsäure ergibt, ist folgendes: 1Fluorapatit und Kieselsäure setzen sich ohne Wasserdampf nicht um.2Wasserdampf wirkt auf Fluorapatit auch ohne Kieselsäure ein. Dabei tritt nach Entfernung von mehr als der Hälfte des Fluors eine deutliche Abnahme der Umsetzungsgeschwindigkeit ein. Röntgenaufnahmen zeigen, das bis etwa zu dieser Grenze die Fluorapatitstruktur ohne Linienverschiebungen unverändert erhalten bleibt. Erst danach wid der Übergang zu Hydroxylapatit bemerkbar.3Durch Kieselsäure wird der Umsatz von Fluorapatit und Wasserdampf erst oberhalb etwa 1300° beschleunigt. Es bildet sich dann ein kieselsäurehaltiges α-Ca3P2O8.
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    Über Konstitution, optische Aktivität und photochemisches Verhalten von Platokomplexen. IV (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 134-144 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    Über die räumliche Konfiguration von Plato- und Palladokomplexen (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 115-133 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Nach ROSENHEIm und REIHLEN lassen sich gewisse Plato- und Palladokomplexe in optisch aktive Komponenten spalten. Es wurde aber in dieser Arbeit gezeigt, daß ihre Versuchsergebnisse in anderer Weise zu deuten sind.
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    Über Zweistoffsysteme mit Germanium. I. Germanium/Aluminium, Germanium/Zinn und Germanium/Silicium (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 305-323 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Es wird gezeigt, daß die Untersuchung von Systemen, die Halbmetalle enthalten, f¨r die Aufklärung feinerer Affinitätswirkungen von Bedeutung ist.
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    Beiträge zur systematischen Verwandtschaftslehre. 88. Über das System Vanadium/Schwefel (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 324-337 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410402
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    Beiträge zur systematischen Verwandtschaftslehre. 89. Über die Phosphide des Kobalts (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 349-360 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410404
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    Das Atomgewicht des Eisens (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 361-371 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wurde reines Ferrobromid durch Synthese aus den reinen Elementen hergestellt, sublimiert und geschmolzen. Das gewogene, von Ferriion vollkommen freie Bromid wurde mit Silber bzw. Silberbromid verglichen.
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    Über Die Systeme Alkalioxyd-CaO—Al2O3—SiO2—CO2. VIII. Die Reaktionsdrucke von Quarz und Disilikat mit Alkali-Doppelkarbonaten (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 338-348 
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    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Die Umsetzung des Quarzes führt in den quaternären Alk2IO-Alk2IIO—SiO2—CO2-Systemen zu denselben Reaktionsdrucken wie in den ternären Alk2O—SiO2—CO2-Systemen. Infolge der besseren Diffusionsmöglichkeit werden auch die Anfangsdrucke der instabilen Metasilikatbildung nach [Alk2 · CO3] + [SiO2] = Alk2SiO3 (feste Lösung) + (CO2) beobachtet. Ein stabiles Gleichgewicht zwischen Quarz und Disilikat liegt auch im quaternären System nicht vor.
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    Untersuchungen über Beständigkeit und Löslichkeit des Natriumstannates (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 372-380 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Natriumstannat, das aus seinen wäßrigen Lösungen mit konzentrierter Natronlauge ausgefällt wird, enthält stets noch geringe Mengen von Natriumhydroxyd, die auch durch sorgfältiges Auswaschen nicht restlos entfernt werden können. Dieser Gehalt an Natriumhydroxyd bewirkt, daß das feste Salz gegen die Kohlensäure der Luft sehr empfindlich ist. Im übrigen ist Natriumstannat eine durchaus beständige Verbindung.
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    Über Kupferfluoride (1939)
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    Zeitschrift für anorganische Chemie 241 (1939), S. 381-394 
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    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. HF greift nicht an, wenigstens bis 1200°, Cu; bis 800°, Cu2O und Cu2S; bis 850° SgCl.
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    Zur Kenntnis der Wasserkorrosion des Thalliums (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 416-417 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/zaac.19392410409
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    Einige neue Halogenide des Siliziums. IV. Über ein Siliziumchlorid der Formel SiCl (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 395-415 
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    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Bei der thermischen Zersetzung des Si10Cl20H unter Normaldruck bei 300° entsteht in einer inerten Gasatmosphäre ein fester, gelber Körper von blättriger, amorpher Struktur. Die Analyse ergibt ein Atomverhältnis von Si : Cl wie 1,00:1,00. Bei der Zersetzung mit Kalilauge löst sich der gelbe Körper unter stürmischer Wasserstoffentwicklung vollständig auf. Die Reaktion verläuft nach \documentclass{article}\pagestyle{empty}\begin{document}$$ 2\;{\rm SiCl} + 6\;{\rm KOH} = 2\;{\rm KCl} + 2\;{\rm K}_{\rm 2} {\rm SiO}_{\rm 3} + 3\;{\rm H}_{\rm 2} . $$\end{document}.
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    Erwiderung auf die Bemerkung von W. Biltz und Fr. Weibke. zu meiner Arbeit über die Molrefraktion von Gläsern (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 418-420 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/zaac.19392410410
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    Schlußbemerkung zu der Äußerung von E. Kordes betreffs der Molrefraktionen der Gläser (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 421-423 
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    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/zaac.19392410411
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    Gleichgewichtsstudien an erzbildenden Sulfiden. II (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 145-157 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Die Reduktion des Nickelsulfides durch Wasserstoff ist umkehrbar. Bei 600° führt sie zu γ-Mischkristallen. Bei 400 und 500° wurden die durch bestimmte H2S/H2-Verhältnisse gekennzeichneten heterogenen Gleichgewichte NiS—Ni6S6, und Ni6S4,9—Ni3S2 beobachtet. Die weitere Reduktion führt zu Mischkristallen, welche sich schließlich trotz beträchtlichen Schwefelgehaltes nicht weiter entschwefeln lassen.
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    Mechanismus der Korrosion des Thalliums (1939)
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    Zeitschrift für anorganische Chemie 241 (1939), S. 158-164 
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    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410202
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    Fluoberyllate und ihre Analogie mit Sulfaten. VI. Die Fluoberyllate von Metallamminkomplexen (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 165-171 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Im Verlaufe einer Untersuchung über die Analogien des Fluoberyllat-Ions mit dem Sulfat-Ion wurden die folgenden Metallammin -Komplexe dargestellt: [Ag(NH3)2]2BeF4· 2H2O; [Ag(NH3)2]2BeF4; [Cu(NH3)4]BeF4·H2O;[Cu(NH3)2]BeF4;[Zn(NH3)4]BeF4;[Cd(NH3)4BeF4]; [Ni(NH3)4]BeF4; [Ni(NH3)4]BeF4· 2H2O; [Ni(NH3)4]BeF4; [Ni(NH3)4]BeF4·2KJ; [Co(NH3)6]2(BeF4)3· 3H2O; [Co(NH3)6]ClBeF4. Diese Verbindungen sind den entsprechenden Verbindungen, die an Stelle des BeF4,-Radikals das SO4-Radikal enthalten, analog.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392410203
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    Kupfernitrid Metallamide und Metallnitride. VII (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 172-178 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Durch Erhitzen von CuF2 im Ammnoniakstrom auf 280° wurde analysenreines Cu3N erhalten.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392410204
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    Über Natriumpolyphosphate. (II. Teil) (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 196-204 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392410206
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    Über die Beziehungen des Berylliums zur Gruppe der Vitriolbildner und der Erdalkalimetalle. VI. IV. Über die Doppelsalzbildung zwischen Ammonium- und Berylliumsulfat im Vergleich mit der der Vitriole. 2 (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 179-195 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392410205
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    Verbindungen von Zinksalzen mit Chinolin (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 205-208 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es werden eine Anzahl Chinolinverbindungen der Zinksalze dargestellt, nämlich: Zinknitratdichinolin, Zinkpropionatchinolin, Zinkbenzoatchinolin, Dizinksulfatchinolin, Dizinkformiatchinolin, Dizink(n-)butyratchinolin, Dizink(n-)valeriatchinolin und Dizink(n-capronatchinolin.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392410207
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  • 86
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    Über den thermischen Zerfall der Ammoniumchromate (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 209-224 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Beim Zerfall der Ammoniumchromate verarmt die Oberfläche wahrend der Einstellperiode an Ammoniak. Dieser Vorgang führt nicht zu einer Übersättigung, die den weiteren Ablauf des Zerfalls hemmen wurde, da ja kein Gleichgewicht zwischen den Reaktionsprodukten und dem Ausgangsmaterial besteht. In der aufgelockerten Oberfläche tritt die Oxydation der Kationen durch die Anionen ein, und diese Reaktion pflanzt sich nach einem einfachen Zeitgesetz durch den Rest des Kristalls fort. Dabei hat sich herausgestellt, daß die amorphen Reaktionsprodukte den weiteren Zerfall katalytisch beschleunigen.
    Additional Material: 10 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410208
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    Zur Theorie der aktiven Gebilde, die bei Beginn einer Reaktion im festen Zustande auftreten. [23. Mitteilung über Reaktion im festen Zustand bei höheren Temperaturen] (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 241 (1939), S. 225-232 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es konnte aus röntgenographischen Untersuchungen geschlossen werden, (daß bei Übergang eines Gemisches von kristallisiertem ZnO und α Fe2O3 in kristallisiertes Zinkferrit amorphe Zustände in größeren Ausmaßen sich nicht entwickeln, sondern daß allerhöchstens die ersten Reaktionshäute von den Dimensionen einiger Molekülschichten ungeordnet auftreten.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392410209
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    Über die Kristallstruktur von TiAl3, NbAl3, TaAl3, und ZrAL3 (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 1-22 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In den binären Legierungsystemen Al—Ti, Al—Zr, Al—Nb und Al—Ta wurden als aluminiumreichste intermediäre Kristallarten die Verbindungen TiAl3, ZrAl3, Nb Al3 und TaAl3 nachgewiesen. Ihre Isolierung erfolgte aus aluminiumreichen Legierungen.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420101
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    Fällungsreaktionen und Umsetzungen in flüssigem Fluorwasserstoff (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 23-32 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Es werden Fällungen in Lösungen von wasserfreiem Fluorwasserstoff mitgeteilt und damit die Beständigkeit einiger lösungsmittelfremder Anionen in Flußsäure bewiesen. Bisher war ausschließlich das Fluorion als Anion bekannt, wodurch der ganze Charakter der Flußsäurechemie bestimmt wurde. Mit Hilfe von Fällungen durch Silber- und Thalloionen konnten Perchlorat-, Perjodat- und Sulfationen sowie in geringen Konzentrationen Chlor-, Brom- und Jodionen nachgewiesen werden. Diese Anionen sind neben dem Fluorion freilich nur in geringer Konzentration vorhanden, so daß ihr Nachweis bisher nur durch Fällungsreaktionen möglich ist. Lediglich beim Perchlorat kann man aus der starken Abweichung, die die Kurve der molekularen Leitfähigkeiten und Siedepunktserhöhungen zeigt, auf eine etwas größere Konzentration an Perchlorationen schließen. Insgesamt ist zu sagen, daß es zwar gelungen ist, andere Anionen nachzuweisen, daß aber die Eigenart der Flußsäurechemie nach wie vor durch das stets vorherrschende Fluorion bedingt ist.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420102
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    Die Kristallstrukturen von Rubidium- und Cäsium-Oxyd (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 33-40 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Rb2O kristallisiert im Anti-CaF2-Typ mit a = 6,742 Å.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420103
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    Über Mischkristalle in der Vitriolreihe. V (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 70-78 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392420108
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    Weitere Beiträge zur Kenntnis der Vanadinoxyde (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 63-69 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Die Phasenverhältnisse der Vanadinoxyde entsprechen zwischen VO2 und VO1,5 weitgehend dem System TiO2—TiO1,5. Das Gebiet VO2—VO2,5 ist noch nicht endgültig aufgeklärt.
    Additional Material: 6 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420107
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    Über die Säurestärken der stereoisomeren Diaquo - diammin-plateionen (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 87-91 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392420110
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    Messungen an zwei- und vierwertigen Verbindungen der seltenen Erden. IX. Ytterbochalkogenide (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 92-96 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1. Es gelang nicht, Chalkogenide des zweiwertigen Samariums durch Reduktion der entsprechenden dreiwertigen Verbindungen mit Wasserstoff zu gewinnen.
    Additional Material: 3 Tab.
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    URL: http://dx.doi.org/10.1002/zaac.19392420111
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    Über das Koordinationsvermögen phenylierter Äthylendiamine. I. Para- und diamagnetische Nickeltetramminsalze (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 97-116 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392420201
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    Die Silicide des Calciums (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 117-127 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Nach genauer Festlegung der Darstellungsbedingungen für das Calcium-Monosilicid, gelang es, diese Verbindung in bisher nicht erzielter Reinheit darzustellen (98%). Durch Aufnahme von DEBYE-SCHERRER-Diagrammen wurde das Vorhandensein zweier Modifikationen I und II beim Monosilicid festgestellt und die Bedingungen, unter denen deren Entstehung und gegenseitige Umwandlung erfolgen, ermittelt.
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420202
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    Calciumsilicide und Stickstoff (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 128-137 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Der Reaktionsverlauf bei der Azotierung sowohl vom Di- als auch vom Monosilicid wurde geklärt.Es zeigte sich, daß das Disilicid mit Stickstoff primär Calciumsilicocyanid bildet, welches dann bis zu einem temperaturabhängigen Gleichgewicht in Calciumsilicocyanamid und Silicium zerfällt. Das Gleichgewicht kann von beiden Seiten ausgehend erreicht werden. Durch Bildung von Siliciumnitrid aus dem dabei entstehenden Silicium kann das Gleichgewicht gestört, bzw. dessen Einstellung verhindert werden. Die Azotierung des Disilicids verläuft demnach analog derjenigen von Calciumkarbid, wodurch eine Analogie dieser beiden Verbindungen festgestellt wird, welche weit über äußere Ähnlichkeiten hinausgeht.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420203
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    Beiträge zur Kenntnis der Allotropie des Arsens (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 138-144 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Es wird die magnetische Suszeptibilität des kristallisierten Arsens gemessen. Der in der Literatur angegebene Wert (χAtom = -23.10-6) gilt nicht für kristallisiertes, sondern für amorphes Arsen. Das rhomboedrische Arsen besitzt vielmehr χAtom-Werte von -5,5 ± 1.10-6 bei Zimmertemperatur und + 1 ± 1,5 ·10-6 bei - 183°.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420204
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    Hydrothermale Reaktionen. II. Mitteilung. Magnesiumhydrosilikate. II (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 145-160 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Während JANDER und WUHRER die Synthese von Talk und Serpentin zwischen 325 und 350° gelang, konnten wir sie bis zu 600° untersuchen. Außerdem wurden beide Verbindungen auch bei 300° dargestellt, wobei aber die Reaktionsgeschwindigkeit sehr gering ist. Gemäß ihrer Genesis in der Natur ist trotzdem zu erwarten, daß ihre Bildung auch noch bei wesentlich tieferen Temperaturen möglich ist. In dem System MgO-SiO2-H2O treten bei Temperaturen von 300-600° und hohen Drucken nur diese beiden Verbindungen auf, so daß sich ein sehr einfaches Zustandsdiagramm ergibt, wie es in Abb. 4 zusammengestellt ist. Zwischen 100 und 60% MgO findet man Mg(OH)2 + Serpentin, zwischen 60 und 42% MgO Serpentin + Talk, bei weniger MgO Talk + Siliziumdioxyd.
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/zaac.19392420205
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    Über thermische Eigenschaften von Halogeniden. 13. Sättigungsdrucke von Zinn II-halogeniden (1939)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 242 (1939), S. 188-192 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19392420207
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