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  • Aluminium(III)-sulfate  (1)
  • Wiley-Blackwell  (1)
  • 1995-1999  (1)
  • 1995  (1)
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  • Wiley-Blackwell  (1)
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  • 1995-1999  (1)
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  • 1995  (1)
  • 1
    ISSN: 0044-2313
    Keywords: Aluminium(III)-sulfate ; Chemical Transport ; Thermodynamical Calculations ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions on the Thermal Behaviour of Sulfates. XV. The Chemical Vapour Transport of Al2(SO4)3 with SOCl2. Experiments and CalculationsWell shaped crystals (cubical or rectangular parallelepiped respectively) of rhombohedral Al2(SO4)3 can be grown in the less hot zone of a closed silica ampoule by means of chemical (vapour) transport using SOCl2 as transport agent in endothermal transport reactions. The influence of the mean transport temperature as well as the concentration of the transport agent on the deposition rates was investigated. We also tried to describe this transport system on the basis of thermochemical calculations.
    Notes: Gut ausgebildete Kristalle (würfel- bzw. quaderförmig) von rhomboedrischem Al2(SO4)3 wurden mit SOCl2 als Transportmittel im Temperaturgradienten (z. B. 625→525°C) auf der weniger heißen Seite einer Quarzglasampulle abgeschieden. Der Einfluß der Temperatur sowie der Transportmittelkonzentration auf die Abscheidungsraten wurde untersucht. Eine Interpretation des beobachteten, auf endotherme Reaktionen zurückzuführenden Transportverhaltens wird mit Hilfe thermodynamischer Modellrechnungen gegeben.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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