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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 547 (1987), S. 216-224 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Experimental Investigations on the Tungsten Transport in Systems Containing Fluorine CompoundsInformation on the chemical processes in tungsten incandescent lamps containing gaseous fluorides are obtained by i.r. and u.v. spectroscopic and mass spectrometric analysis of the gasphase as well as by investigating the deposits at the wall and the changes at the filament. Due to the involvement of the wall in the reaction fluorine carrier gases are converted irreversibly into SiF4 which also maintains the chemical tungsten transport. In systems containing fluorine and bromine silicon bromide fluorides are formed.
    Notes: Durch die IR- und UV-spektroskopische sowie massenspektrometrische Analyse der Gasphase sowie die Untersuchung gebildeter Beläge und der Veränderungen am Glühkörper werden Aussagen über die chemischen Vorgänge in Wolframlampen mit fluorhaltigen Füllgasen erhalten. Fluorträgergase werden in der brennenden Lampe durch die Einbeziehung der Wand in das Reaktionsgeschehen irreversibel in SiF4 umgewandelt, das selbst transportaktiv ist. In Fluor und Brom enthaltenden Systemen werden Siliciumbromidfluoride, SiBr4-xFx, gebildet.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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