引用本文:
李积才, 翟宗玺, 曾忠民, 王鲁英. 盐湖盐类水溶液298.15K时稀释热和表观摩尔焓的研究[J]. 物理化学学报,
1994, 10(08): 759-764.
doi:
10.3866/PKU.WHXB19940819
Citation: Li Ji-Cai, Zhai Zong-Xi, Zeng Zhong-Min, Wang Lu-Ying. Enthalpies of Dilution and Relative Apparent Molal Enthalpies of the Major Aqueous Salts of Salt Lakes at 298.15K[J]. Acta Physico-Chimica Sinica, 1994, 10(08): 759-764. doi: 10.3866/PKU.WHXB19940819
Citation: Li Ji-Cai, Zhai Zong-Xi, Zeng Zhong-Min, Wang Lu-Ying. Enthalpies of Dilution and Relative Apparent Molal Enthalpies of the Major Aqueous Salts of Salt Lakes at 298.15K[J]. Acta Physico-Chimica Sinica, 1994, 10(08): 759-764. doi: 10.3866/PKU.WHXB19940819
English
Enthalpies of Dilution and Relative Apparent Molal Enthalpies of the Major Aqueous Salts of Salt Lakes at 298.15K
Abstract:
The heat of dilution of aqueous solution of the chloride(KCl, NaCl, MgCl2,CaCl2) and sulfate (Na2SO4, K2SO4, MgSO4) of Salt Lakes were measured over a concentration range of 0.05-2.1mol•kg-1 at 298.15K. The data were extrapolated to infinite dilution by use of the Debye-Huckel limition law to obtain relative apparent molal enthalpies (ФLi). The enthalpies of dilution were calculated using the ion interaction model of Pitzer. The experimental enthalpies (△He) were compared with calculated values (△Hc)of dilution.
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Key words:
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Heat of dilution
- / Apparent molal enthalpy
- / Chloride
- / Sulfate
- / Salt Lakes
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