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  • Wiley-Blackwell  (2)
  • De Gruyter
  • 1965-1969  (2)
  • 1966  (2)
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  • 1965-1969  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 346 (1966), S. 113-126 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By means of chemical transport reactions (with HCl, Cl2 or CCl4 at 650-1110°C) and by crystal growth from molten solutions (WO3—Na3AlF6, —NaPO3, —Li2MoO4), WO3 single crystals have been prepared and characterized by suitable methods. With the transport method, well-ordered single crystals of good morphological qualities were obtained.
    Notes: Unter Verwendung chemischer Transportreaktionen und der Schmelzlösungskristallisation gelang die Züchtung von WO3-Einkristallen. Als Transportgase dienten HCl, Cl2 und CCl4 (geschlossenes System), und das untersuchte Temperaturgebiet lag zwischen 650 und 1100°C. Zur Schmelzlösungszüchtung dienten die binären Systeme WO3—Na3AlF6, —NaPO3 und —Li2MoO4. Die erhaltenen Kristalle werden röntgenographisch, morphologisch und mikroskopisch untersucht sowie ihr Idealitätsgrad abgeschätzt. Insbesondere durch Anwendung chemischer Transportreaktion werden WO3-Einkristalle erhalten, die infolge ihrer morphologischen Ausbildung und des geringen Störungsgrades zu wissenschaftlichen Grundlagenforschungen herangezogen werden können.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 5 (1966), S. 653-662 
    ISSN: 0570-0833
    Keywords: Biotechnology ; Fermentation ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The preparation of organic substances with the aid of the enzyme systems of micoorganisms has become competitive as a result of recent progress in the technology of fermentation. The relatively high cost of apparatus and the lower production capacity of microbiological plants in relation to the plants used in purely chemical processes are offset in many cases by the advantages of biological methods (reactions at conventionally inactive positions in the molecule, stereospecific substitutions, coupling of several reactions, mild reaction conditions, possible use of waste products).
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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