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利用DTA测定了LaCl3-PrCl3二元系相图,发现该体系有一个异份熔化化合物LaCl3·PrCl3,转熔点为640℃,PrCl359.8%(摩尔分数);低共熔点为562℃,PrCl370.0%(摩尔分数)。并用极化与反极化作用探讨含稀土相图、化合物生成及其稳定性变化的规律。
The phase diagram of LaCl3-PrCl3 binary system was determined by DTA. It was found that the system has a different melting compound of LaCl3 · PrCl3 with a melting point of 640 ℃ and PrCl of 359.8% (mole fraction). The eutectic point is 562 ℃ and PrCl370. 0% (mole fraction). The polarization and antipolarization were used to investigate the regularity of the change of the rare earth phase diagram, compound formation and stability.