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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 490 (1982), S. 147-152 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Liquid-Liquid Extraction of Metals with Some Tetradentate Schiff BasesThe liquid-liquid extraction of copper(II), iron(III), nickel(II), cobalt(II), and zinc(II) with some tetradentate Schiff bases HO∩N∩N∩OH has been investigated. The extraction is strongly influenced by changing the size of the chelate ring. From slope analysis, the extracted species are found to be neutral complexes MII (O∩N∩N∩O) in the case of bivalent metal ions. Iron(III) forms chloride containing complexes in the organic phase. The complex behaviour of these Schiff bases in the solid state has been compared with the complex formation in solution.
    Notes: Es wird über die Flüssig-Flüssig-Extraktion von Kupfer(II), Eisen(III), Nickel(II), Cobalt(II) und Zink(II) mit vierzähligen Schiffschen Basen HO∩N∩N∩OH berichtet. Der Extraktionsvorgang hängt stark von der Gestalt der gebildeten tricyclischen Komplexe ab. Im Falle der zweiwertigen Metallionen werden, wie die Slope-Analyse zeigt, die Chelate MII (O∩N∩N∩O) extrahiert. Eisen(III) bildet in der organischen Phase chloridhaltige Komplexe. Die Komplexbildung der Schiffschen Basen in Lösung wird mit der im festen Zustand verglichen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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