Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (2): 239.

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Studies on the Phase Diagram of SmI2-KI Binary System

Wang Xiao-dong, Wang Shi-hua   

  1. Department of Chemistry, Beijing Normal University, Beijing, 100875
  • Received:1989-07-06 Online:1991-02-24 Published:1991-02-24

Abstract: The isopiestic phase diagram of SmI2-KIbinary system, the properties and structures of KSm2I5, K2SmI4in the system were studied by DTA and X-ray powder diffraction methods. According to J. Kutscher's view point for discussing REX3-AX(RE=Rare earth metals, A=alkali metals), the formation rules of compounds in the SmI2-KI and YbI2-KI(A=Na, K, Rb, Cs)systems are discussed.

Key words: Phase diagram, SmI2-KI system, REI2-AI system

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