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  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Constitution of a Silicate with the Anion [Si7O19]10-By means of chromatographic and kinetical methods and by mass spectroscopy the existence of a new silicate species in the system N(CH3)4OH—SiO2—H2O, the tetramethylammonium tricycloheptasilicate [N(CH3)4]10[Si7O19] · aq, has been revealed. The corresponding trimethylsilyl ester was isolated.
    Notes: Mit Hilfe chromatographischer und kinetischer Methoden und der Massenspektroskopie wurde im System N(CH3)4OH—SiO2—H2O neben dem bekannten Tetramethylammonium-Dopplevierrringsilicat ein bisher unbekanntes Tetramethylammonium-Tricycloheptasilicat der Formel [N(CH3)4]10[Si7O19] · aq nachgewiesen und der entsprechende Trimethylsilylester [(CH3)3Si]10[Si7O19] isoliert.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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