首页> 外文期刊>Russian Journal of General Chemistry >Synthesis and Study of Polyuranates M~(III)O_(10.5)Σ6H2O (M~(III) = La, Ce, Pr, Nd, Sm)
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Synthesis and Study of Polyuranates M~(III)O_(10.5)Σ6H2O (M~(III) = La, Ce, Pr, Nd, Sm)

机译:聚尿酸盐M〜(III)O_(10.5)Σ6H2O(M〜(III)= La,Ce,Pr,Nd,Sm)的合成与研究

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摘要

Previously unknown individual crystalline compounds M~(III)O_(10.5)Σ6H2O were obtained by the reaction of synthetic schoepite UO3Σ2.25H2O with aqueous solutions of La, Ce, Pr, Nd, and Sm nitrates in hydrothermal conditions at 200C. Their composition and structure were determined, and the processes of dehydration and thermal decomposition were studied by the methods of chemical analysis, X-ray diffraction, IR spectroscopy, and scanning calorimetry.
机译:在200℃的水热条件下,合成的钠锰矿UO3Σ2.25H2O与La,Ce,Pr,Nd和Sm硝酸盐的水溶液反应,得到以前未知的单个晶体化合物M〜(III)O_(10.5)Σ6H2O。确定了它们的组成和结构,并通过化学分析,X射线衍射,IR光谱和扫描量热法研究了脱水和热分解的过程。

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