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  • Inorganic Chemistry  (1)
  • 1985-1989  (1)
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  • 1985-1989  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 551 (1987), S. 223-230 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of CF4, CBrF3, and CBr2F2 with SilicaCF4 reacts with silica above 1200 K forming SiF4 and CO2. CBrF3 and CBr2F2 yield SiF4, Br2, CO2, and CO as well as products of pyrolysis, such as C2BrF5, C2Br2F4, and others. The reaction starts at 900 K (CBrF3) or 700 K (CBr2F2), resp. The CO2/CO ratio is higher than expected. SiF4 is absorbed at the surface of silica to a considerable extent.
    Notes: CF4 reagiert mit Kieselglas oberhalb 1200 K unter Bildung von SiF4 und CO2. CBrF3 und CBr2F2 ergeben SiF4, Br2, CO2 sowie CO und zwischenzeitlich als Pyrolyseprodukte unter anderen C2BrF5 und C2Br2F4. Die Reaktion beginnt bei 900 K (CBrF3) bzw. bei 700 K (CBr2F2). Das CO2/CO-Verhältnis ist höher als erwartet. SiF4 wird an der Oberfläche des Kieselglases in beträchtlichem Umfang absorbiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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