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  • 1965-1969  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    Chromatographische Untersuchung der Zersetzung von Cyansäure (1965)
    Springer
    Monatshefte für Chemie 96 (1965), S. 516-522 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Rate and mode of the decomposition of cyanic acid in the pH-range 3 to 12.5 were studied by means of paper chromatography. Dicyanic acid is a most likely intermediate. Urea formation increases with increasing alkalinity. Colour reactions for the identification of cyanuric acid and urea were newly developed, and some already known reactions investigated for use in paper chromatography.
    Notes: Zusammenfassung Der Verlauf der Zersetzung von Cyansäure wurde im pH-Bereich 3 bis 12,5 durch Papierchromatographie stofflich und zeitlich untersucht. Als ein Zwischenprodukt wurde Dicyansäure wahrscheinlich gemacht. Harnstoff bildet sich mit der Alkalität zunehmend. Anfärbereaktionen für Cyanursäure und Harnstoff wurden neu entwickelt, andere für chromatographische Zwecke erprobt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00909460
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  • 2
    Electronic Resource
    Electronic Resource
    Neue Salze der Millonschen Base (1965)
    Springer
    Monatshefte für Chemie 96 (1965), S. 1454-1460 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract The following new compounds of mercury, or new modifications thereof were prepared, either from ammoniacal solutions of Hg(II)-salts by evaporation of ammonia at different temperatures, or by heating them to 200°: (HgNH2)NO3 cubic, (Hg2N)NO3 and (Hg2N)2HPO4 tetragonal, (Hg2N)2CrO4 cubic. (Hg2N)ClO4 hexagonal changes to a cubic form at 200°. All compounds yield well defined X-ray diagrams.
    Notes: Zusammenfassung Durch Entfernung von NH3 aus Quecksilber-Komplexsalzlösungen bei verschiedenen Temperaturen, bzw. durch Tempern bei 200° wurden folgende Verbindungen bzw. Modifikationen neu hergestellt: (HgNH2)NO3 kubisch, (Hg2N)NO3 tetragonal, (Hg2N)2CrO4 kubisch, (Hg2N)2HPO4 tetragonal. (Hg2N)ClO4 hexagonal wandelt sich bei 200° in die kubische Form um. Alle Verbindungen geben eindeutige Röntgendiagramme.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00902076
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  • 3
    Electronic Resource
    Electronic Resource
    Hydroxidcarbonate von Magnesium und Zink (1966)
    Springer
    Monatshefte für Chemie 97 (1966), S. 1059-1063 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract The compounds Mg5(OH)2(CO3)4·4H2O and Zn5(OH)6(CO3)2 with exact stoichiometric composition were prepared by the method of homogeneous precipitation and complex-acidolysis. They were obtained in a well crystalline state, as shown by their X-ray powder diagrams. While the first of these preparations corresponds to hydromagnesite, the latter needs ageing at 100° in the mother liquor to become completely analogous to the mineral hydrozinkite.
    Notes: Zusammenfassung Nach der Methode der Homogenfällung durch Komplex-acidolyse wurden Mg5(OH)2(CO3)4·4H2O und Zn5(OH)6(CO3)2 formelgerecht und röntgenographisch gut kristallin dargestellt. Während das erstere Präparat, so gewonnen, dem Mineral Hydromagnesit sofort entspricht, wird das letztere dem Mineral Hydrozinkit erst durch Altern bei 100° unter der Mutterlauge völlig analog.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00903554
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  • 4
    Electronic Resource
    Electronic Resource
    Synthese und Formel des biologischen und des mineralischen Carbonat-Apatits (1966)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 78 (1966), S. 679-679 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19660781315
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  • 5
    Electronic Resource
    Electronic Resource
    Synthesis and Formula of Biological and Mineral Carbonate-apatite (1966)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 5 (1966), S. 669-670 
    Details
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.196606692
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