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研究希土元素氯化物和碱金属氯化物在熔体中的相互作用,对阐明希土元素氯化冶金和融盐电解过程的机理有着重要的意义。目前,文献仅报导过关于LnCl_3-NaCl(Ln=La、Ce、Pr、Nd)LnCl_3-KCl(Ln=La、Ce、Pr、Nd、Sm)及LnCl_3-CsCl(Ln=La、Ce、Nd)等轻希土元素氯化物与碱金属氯化物二元体系的研究。LnCl_3-NaCl体系属简单低共熔类型。LnCl_3-KCI体系则形成一系列二元化合物:3KCl·InCl_3,3KCl·2LnCl_3,2KCl·LnCl_3,KCI·3LnCl_3等。其中3KCl·LnCl_3是比较肯定的固液同
Studying the interaction between the rare earth elemental chloride and the alkali chloride in the melt is of great significance to elucidate the mechanism of the electrolysis of the rare earth elements chlorinated metallurgy and molten salt. At present, the literature only reports about LnCl_3-NaCl (Ln = La, Ce, Pr, Nd) LnCl 3 -KCl (Ln = La, Ce, Pr, Nd, Sm) and LnCl 3 CsCl (Ln = La, Ce, Nd) Study on Binary System of Light Earthen Chlorides and Alkali Chlorides. LnCl_3-NaCl system is a simple eutectic type. LnCl_3-KCI system then formed a series of binary compounds: 3KCl · InCl_3, 3KCl · 2LnCl_3, 2KCl · LnCl_3, KCl · 3LnCl_3 and so on. Which 3KCl·LnCl_3 is more sure with the solid-liquid