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  • 61-462; 61-462A; Analcime; Carbonate bomb (Müller & Gastner, 1971); Carbonates; Chlorite; Chlorite+Kaolinite; Clay minerals; Clinoptilolite; Cristobalite; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Feldspar; Glomar Challenger; Hornblende; Illite; Kaolinite; Leg61; Opal-A; Pyrite, FeS2; Pyroxene; Quartz; Sample code/label; Sample ID; Smectite; X-ray diffraction (XRD)  (1)
  • 64-474; 64-474A; 64-477; 64-478; 64-479; 64-481; 64-481A; Calcite; Chlorite; Chlorite+Kaolinite; Clay minerals; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Feldspar; Glomar Challenger; Hornblende; Illite; Kaolinite; Latitude of event; Leg64; Longitude of event; Minerals; North Pacific/Gulf of California/BASIN; North Pacific/Gulf of California/CHANNEL; Pyrite, FeS2; Quartz; Sample code/label; Sample ID; Smectite; Smectite/Illite ratio; X-ray diffraction (XRD)  (1)
  • Analytical Chemistry and Spectroscopy  (1)
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  • 1
    ISSN: 0030-493X
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Beschreibung / Inhaltsverzeichnis: The mass spectral fragmentation patterns of some diarylmethylene-bis-xanthates have been investigated and are compared with those for the 1,1,α,α-dibenzyl-thioacetals 1,1-diphenylmethane. The formation of a sulphenium cation is characteristic for the bis-xanthates. Their subsequent fragmentation is similar to that of thioesters. Also noteworthy is the appearance of ions having thio-ketone-like structures, except in the case of 1,1,α,α-diphenyl thioacetal 1,1-diphenylmethane. This is compared with the pyrolytic behaviour. The intensity of various metastable decompositions leading to the [benzophenone]+. ion in the first field free region depends mostly on the excess thermal energy.
    Notizen: Das massenspektrometrische Verhalten der Diarylmethylen-bis-xanthogenate wird beschrieben und mit dem der Dithioacetale verglichen. Charakteristisch für alle untersuchten Verbindungen ist das Auftreten eines primär gebildeten Sulfenium-Kations, das für die Verbindungen ein den Thioestern analoges Fragmentierungsverhalten zeigt. Hervorzuheben ist das mit Thioketonstrukturen, deren Bildung mit der thermolytischen verglichen und diskutiert wird. Dabei ist bemerkenswert, dass die als Beleg dienenden metastabilen Signale für die Bildung des Fragments d aus dem 1. feldfreien Raum erst bei höheren Temperaturen auftreten und somit Abhängigkeit von der thermischen Überschussenergie zeigen.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Nagel, Ulrich; Müller, German; Schumann, Dieter (1981): Mineralogy of sediments encountered during Leg 61, as determined by x-ray diffraction. In: Larson, RL; Schlanger, SO; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 61, 563-566, https://doi.org/10.2973/dsdp.proc.61.113.1981
    Publikationsdatum: 2023-06-27
    Beschreibung: Two holes (462, 462A) were drilled at Site 462 in the Nauru Basin, within an area formed at a fast-spreading Pacific-plate boundary 145 to 155 m.y. ago. Forty-eight sediment samples were received and analyzed by X-ray diffraction according to the methods described in Mann and Müller (1980). Carbonate contents were determined by the "Karbonat-Bombe" method of Müller and Gastner (1971). The upper 447 meters of the sedimentary section at Hole 462 consists of mainly turbiditic, calcareous, and radiolarian oozes, cherts, chalks, and limestones, which are in turn underlain by volcanogenic and zeolitic sandstones and siltstones (447-561 m). Three sedimentary units have been distinguished; Unit IV - below 561 meters - is predominantly basalt and dolerite with interlayered sediments.
    Schlagwort(e): 61-462; 61-462A; Analcime; Carbonate bomb (Müller & Gastner, 1971); Carbonates; Chlorite; Chlorite+Kaolinite; Clay minerals; Clinoptilolite; Cristobalite; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Event label; Feldspar; Glomar Challenger; Hornblende; Illite; Kaolinite; Leg61; Opal-A; Pyrite, FeS2; Pyroxene; Quartz; Sample code/label; Sample ID; Smectite; X-ray diffraction (XRD)
    Materialart: Dataset
    Format: text/tab-separated-values, 804 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Schumann, Dieter; Nagel, Ulrich (1982): Appendix I. Sediment XRD data, Leg 64. In: Curray, JR; Moore, DG; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 64, 1297-1301, https://doi.org/10.2973/dsdp.proc.64.app1.1982
    Publikationsdatum: 2023-06-27
    Beschreibung: During Leg 64, eight sites were drilled on a transect from young ocean crust to continental crust off Baja California, in the central part of the Gulf of California, where high sedimentation rates have prevailed over a currently active spreading center, and on the continental slope where hemipelagic sediments overlie continental crust.
    Schlagwort(e): 64-474; 64-474A; 64-477; 64-478; 64-479; 64-481; 64-481A; Calcite; Chlorite; Chlorite+Kaolinite; Clay minerals; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Feldspar; Glomar Challenger; Hornblende; Illite; Kaolinite; Latitude of event; Leg64; Longitude of event; Minerals; North Pacific/Gulf of California/BASIN; North Pacific/Gulf of California/CHANNEL; Pyrite, FeS2; Quartz; Sample code/label; Sample ID; Smectite; Smectite/Illite ratio; X-ray diffraction (XRD)
    Materialart: Dataset
    Format: text/tab-separated-values, 1294 data points
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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