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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 462 (1980), S. 231-240 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Darstellung, IR- und VIS-Spektren von Sulfatkomplexen des Uran(IV)Es wird über die Darstellung, die IR- und VIS-Spektren von neuen hydratisierten Sulfatkomplexen des Uran(IV) berichtet. Die bei der Hydrolyse entstehenden Hydroxo-sulfate werden ebenfalls charakterisiert. Alle Verbindungen wurden durch photochemische Reduktion von alkoholischen Lösungen gewonnen, die durch Zugabe von schwefelsauren Lösungen von Uranyl-sulfat zu den entsprechenden Sulfaten hergestellt worden waren. Die IR-Spektren erlauben, zwischen neutralen und basischen Sulfaten zu unterscheiden, deren Banden diskutiert werden. Die Sauerstoffumgebung des Uran(IV) in den Sulfatlösungen ruft dem UCL4 ähnliche VIS-Spektren hervor, so daß angenommen werden kann, daß die Ligandenfelder in diesen Fällen wenig Einfluß auf die Absorptionsspektren haben.
    Notes: This paper reports the preparation and the i. r. and visible spectra of new hydrated sulfate complexes of uranium(IV). The hydroxy-sulfates originated from hydrolyses are also characterized. All the compounds were isolated by photochemical reduction from alcoholic solutions which were obtained by the addition of sulfuric acidified solution of uranyl sulfate to the appropriate sulfate. The i. r. spectra allow to distinguish between neutral and basic sulfates the bands of which are discussed. The oxygen environment for uranium(IV) in the sulfate solutions originates visible spectra similar to those of the uranium(IV) chloride so that it might be supposed that ligand fields have little effects on the absorption spectra in these cases.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1980-03-01
    Print ISSN: 0044-2313
    Electronic ISSN: 1521-3749
    Topics: Chemistry and Pharmacology
    Published by Wiley
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