Application of Pitzer-Simonson Theory and Pitzer-Simonson-Clegg Theory to Aqueous Ionic Liquid PMIBF4

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (4): 315-322. Previous Articles Next Articles

Original Articles

Pitzer-Simonson理论和Pitzer-Simonson-Clegg理论在离子液体PMIBF₄水溶液中的应用

佟静¹,2, 李景斌¹, 张庆国²,3, 杨家振*^,1

(¹辽宁大学化学院沈阳 110036)
(²中国科学院青海盐湖研究所西宁 810008)
(³中国科学院研究生院北京 100049)

投稿日期:2006-02-21 修回日期:2006-08-25 发布日期:2007-02-28
通讯作者: 杨家振

Application of Pitzer-Simonson Theory and Pitzer-Simonson-Clegg Theory to Aqueous Ionic Liquid PMIBF₄

TONG Jing¹,2; LI Jing-Bin¹; ZHANG Qing-Guo²,3; YANG Jia-Zhen*^,1

(¹ College of Chemistry, Liaoning University, Shenyang 110036)
(² The Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008)
(³ The Graduate University of Chinese Academy of Sciences, Beijing 100049)

Received:2006-02-21 Revised:2006-08-25 Published:2007-02-28
Contact: YANG Jia-Zhen

Abstract

The densities of aqueous ionic liquid (IL) 1-methyl-3-pentylimidazolium tetrafluoroborate (PMIBF₄) in a concentration range of about 0.09 to 1 mol% were measured at temperatures from 278.15 to 343.15 K. Values of the apparent molar volumes of aqueous PMIBF₄ were calculated. The applicability of Pitzer-Simomson (PS) theory and Pitzer-Simomson-Clegg (PSC) theory were examined. As pure ionic liquid was taken as a reference state, the experimental data were used to fit PS equation, PSC equation and the simplified PSC equation, respectively. In comparison with the values of the PS parameters and the simplified PSC parameters, the PSC parameters have the smallest standard deviation of the fitting.

Key words: ionic liquid, aqueous solution of electrolyte, Pitzer-Simonson theory, Pitzer-Simomson-Clegg theory, apparent molar volume, 1-methyl-3-pentylimidazolium tetrafluoroborate (PMIBF₄)

Cite this article

TONG Jing^1,2; LI Jing-Bin; ZHANG Qing-Guo^2,3; YANG Jia-Zhen*^,1. Application of Pitzer-Simonson Theory and Pitzer-Simonson-Clegg Theory to Aqueous Ionic Liquid PMIBF₄[J]. Acta Chimica Sinica, 2007, 65(4): 315-322.

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Pitzer-Simonson理论和Pitzer-Simonson-Clegg理论在离子液体PMIBF₄水溶液中的应用

Application of Pitzer-Simonson Theory and Pitzer-Simonson-Clegg Theory to Aqueous Ionic Liquid PMIBF₄

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Pitzer-Simonson理论和Pitzer-Simonson-Clegg理论在离子液体PMIBF4水溶液中的应用