Paper Title:

Solubility of Benzoic Acid in Ethanol, Benzene, Acetic Acid and Ethyl Acetate from 291.69 to 356.27 K

Periodical Advanced Materials Research (Volumes 518 - 523)
Main Theme Advances in Environmental Science and Engineering
Chapter Chapter 11: Clean Production Process
Edited by Reza Iranpour, Ji Zhao, Aijie Wang, Fenglin Yang and Xinyong Li
Pages 3975-3979
DOI 10.4028/
Citation Wen Ting Cheng et al., 2012, Advanced Materials Research, 518-523, 3975
Online since May, 2012
Authors Wen Ting Cheng, Shuo Feng, Xiao Qin Cui, Fang Qin Cheng
Keywords Benzoic Acid, Molar Dissolution Enthalpy, Solubility, Two-Parameters Empirical Equation, Λh Equation
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Using a synthetic method designed and installed with laser monitor on line, the solubility values of benzoic acid in ethanol, benzene, acetic acid and ethyl acetate were determined over the temperature range of 291.69-356.27 K. The solubility of benzoic acid in all cases investigated was found to increase with temperature. The two-parameters empirical and λh equations were used successfully to correlate experimental data of benzoic acid solubilities in organic solvents. The mean absolute error σ of 65 data points correlating by two-parameters empirical equation and λh equation was less than 1%. Finally, molar dissolution enthalpy ΔsolH of benzoic acid in organic solvents was determined with the newly obtained empirical equation parameters.

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