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The dissolution enthalpy and entropy of KF in Aprotic polar solvents

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Abstract

The solubilities of potassium fluoride (KF) in tributyl phosphate, dimethyl sulfoxide, N,N-dimethylacetamide and 1,4-dioxane were determined, the experimental data were correlated with the modified Apelblat equation. The dissolution enthalpy and entropy had been calculated from the solubility data. The interactions between solute and solvent were discussed. The obtained data are basic for preparation of 2,3,4,5-tetrafluorobenzoic acid process.

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Authors and Affiliations

  1. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, 710049, China

    Xiaoshuang Chen

  2. School of Chemical and Energy Engineering, Zhengzhou University, Zhengzhou, 450001, China

    Hua Li & Juan Liu

Authors
  1. Xiaoshuang Chen
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  2. Hua Li
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  3. Juan Liu
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Correspondence to Hua Li.

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Chen, X., Li, H. & Liu, J. The dissolution enthalpy and entropy of KF in Aprotic polar solvents. Russ. J. Phys. Chem. 86, 1943–1946 (2012). https://doi.org/10.1134/S0036024412130250

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  • DOI: https://doi.org/10.1134/S0036024412130250

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