摘要
文献中未见ＭＣｌ－ＨＣｌ－Ｈ２Ｏ（Ｍ＝Ｌｉ、Ｎａ、Ｋ、Ｒｂ、Ｃｓ）三元体系２５℃时在ＨＣｌ全浓度范围内溶解度预测的报道。本文报道应用Ｐｉｔｚｅｒ的离子相互作用模型，系统地对０．１～１６．０ｍｏｌ·ｋｇ－１浓度范围内ＨＣｌ的活度系数和渗透系数值进行最小二乘法拟合，得到一套优于文献上报道的作用参数。用这一套参数和本文报道中五个三元体系得到的θｍｎ和φｍｎｘ，对溶解度预测获得满意结果。本方法可以推广到其它任何温度时、甚至相关四元和五元体系的溶解度预测，可以减少繁琐的实验测定，并对于利用ＨＣｌ从盐卤中盐析分离ＬｉＣｌ。
The solubilities MClHClH\-2O
(M=Li\,Na\,K\,Rb and Cs) systems at 25 were calculated using the ioninteraction model
suggested by Pitzer. The ioninteraction parameters of HCl in 0.116.0 molality at 25 and the
ionsinteraction parameters of 2spices and 3species between H and M and among H\,M and Cl
were presented and evaluated. All the studies have not been reported in the literature. The
comparison between the experimental results and calculated solubilities indicated that the
solubilities of the above mentioned ternary systems can be accurately predicted by using the
ioninteraction model. The prediction is of great significance in extracting various salts from
brine.\=\;
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
1999年第4期467-474,共8页
Chinese Journal of Inorganic Chemistry
基金
中国科学院重点课题
关键词
离子相互作用
溶解度
预测
碱金属
氯化物
盐酸
ioninteraction model\ \ \ halophism element\ \ \ solubility prediction
