| KCl-LiCl-H2O体系热力学性质的研究 |
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| 引用本文： | 李军,宋彭生,姚燕,王瑞陵. KCl-LiCl-H2O体系热力学性质的研究[J]. 物理化学学报, 1992, 8(1): 94-99. DOI: 10.3866/PKU.WHXB19920117 |
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| 作者姓名： | 李军 宋彭生 姚燕 王瑞陵 |
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| 作者单位： | Institute of Salt Lakes, Academia Sinica, Xining 810008 |
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| 摘 要： | 用K-ISE、Li-ISE和Cl-ISE测定了25 ℃时体系中KCl、LiCl的平均活度系数, 溶液的离子强度从0.1～4.0 mol·kg~(-1), 组成范围从纯的KCl到纯的LiCl。将Pitzer方程应用于测定结果, 用多元线性回归方法求出了Pitzer参数。
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| 关 键 词： | KCl-LiCl-H2O体系 活度系数 离子选择型电极 Pitzer方程 |
| 收稿时间： | 1990-09-25 |
| 修稿时间： | 1991-06-24 |
Thermodynamic Properties of KCl-LiCl-H2O System at 25 ℃ |
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| Li Jun,Song Pengsheng,Yao Yan,Wang Ruiling Institute of Salt-Lakes,Academia Sinica,Xining. Thermodynamic Properties of KCl-LiCl-H2O System at 25 ℃[J]. Acta Physico-Chimica Sinica, 1992, 8(1): 94-99. DOI: 10.3866/PKU.WHXB19920117 |
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| Authors: | Li Jun Song Pengsheng Yao Yan Wang Ruiling Institute of Salt-Lakes Academia Sinica Xining |
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| Affiliation: | Institute of Salt Lakes, Academia Sinica, Xining 810008 |
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| Abstract: | The activity coefficients of KCl and LiCl in KCl-LiCl aqueous mixtures have been measured at 25 ℃ in ionic strength range of 0.1～4.0 mol·kg~(-1). The measurement were made using K-ISE and Li-ISE vs. Cl-ISE in a wide range of compositions from pure KCl to pure LiCl. The data were fitted to Pitzer's equation using regressin method, Pitzer parameters were obtained. |
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| Keywords: | KCl-LiCl-H_2O system Activity coeffcients Ionic selective electrode Pitzer equation |
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