相图
溶解
等温过程
结晶
化学
溶解度
热力学
三元运算
三元数制
重盐
分析化学(期刊)
相(物质)
无机化学
色谱法
物理化学
物理
有机化学
程序设计语言
计算机科学
作者
Xiao‐Yun Qi,Chun‐Xia He,Shi‐Hua Sang,Jia Liu,Yun‐Yun Gao
摘要
Abstract The solubilities of the LiBr−NaBr−KBr−H 2 O system and its subsystems LiBr−NaBr−H 2 O and LiBr−KBr−H 2 O were investigated at 288.15 K by the isothermal dissolution equilibrium method, and the corresponding phase diagrams were plotted, respectively. In the three systems, neither solid solution nor double salt was found. For the first subsystem LiBr−NaBr−H 2 O, there are two invariant points, three dissolution equilibrium curves, and three crystallization regions, which are LiBr·2H 2 O, NaBr·2H 2 O, and NaBr. An invariant point, two dissolution equilibrium curves, and two crystallization regions, which are LiBr·2H 2 O and KBr, constitute the stable phase diagram of the second subsystem LiBr−KBr−H 2 O. The phase diagram of the quaternary system LiBr−NaBr−KBr−H 2 O consists of two invariant points, five solubility curves, and four regions in which are LiBr·2H 2 O, NaBr, NaBr·2H 2 O, and KBr.
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