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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 486 (1982), S. 221-228 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: High Pressure Syntheses of Carbonates. VII. Potassium Lanthanoid CarbonatesThe anhydrous carbonates KLn(CO3)2 with Ln = La to Lu including Y are prepared either from KLn(CO3)2 · xH2O (Ln = La to Nd) at 350°C and CO2 pressures to 3 000 bar or from K2CO3 and Ln2(C2O4)3 · xH2O (Ln = Sm to Lu including Y) under CO2 pressures to 2 000 bar at 500°C. An orthorombic Type (Ln = La to Nd) and a monoclinic type are observed. Both types are investigated by IR and X-ray methods.
    Notes: Die wasserfreien ternären Carbonate KLn(CO3)2 mit Ln = La bis Lu sowie Y werden unter CO2-Drücken bis 3000 bar bei 350°C aus KLn(CO3)2 · xH2O (Ln = La bis Nd) oder bei 500°C und 2000 bar aus K2CO3 und Ln2(C2O4)3 · xH2O (Ln = Sm bis Lu sowie Y) hergestellt. Es wird ein orthorhombischer Strukturtyp (Ln = La bis Nd) und ein monokliner Strukturtyp beobachtet. Beide Typen werden IR-spektroskopisch und röntgenographisch untersucht.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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