J. Chem. Thermodynamics 99 (2016) 86–95 Contents lists available at ScienceDirect J. Chem. Thermodynamics journal homepage: www.elsevier.com/locate/jct Solubility determination and thermodynamic dissolution functions of 1,3-diphenylguanidine in nine organic solvents at evaluated temperatures Renjie Xu, Jian Wang , Cunbin Du, Shuo Han, Long Meng, Hongkun Zhao College of Chemistry & Chemical Engineering, YangZhou University, YangZhou, Jiangsu 225002, People’s Republic of China ar ti c l e i nf o ab stra ct Article history: The solubility of 1,3-diphenylguanidine was determined in ethanol, isopropanol, n-propanol, n-butanol, Received 12 January 2016 i-butanol, ethyl acetate, toluene, acetone and acetonitrile by a high performance liquid chromatography Received in revised form 18 February 2016 (HPLC) within temperature range from (273.15 to 313.15) K under pressure of 101.3 kPa. The solubility Accepted 5 March 2016 of 1,3-diphenylguanidine in the selected solvents increased with the increase in temperature. On the Available online 11 March 2016 whole, the solubility of 1,3-diphenylguanidine in these solvents followed the order: acetone > ethyl acet- ate > n-butanol > n-propanol > ethanol > i-butanol > acetonitrile > isopropanol > toluene. The acquired Keywords: solubility of 1,3-diphenylguanidine were correlated with the Apelblat equation, kh equation, Wilson 1,3-Diphenylguanidine model and NRTL model, and the
The Journal of Chemical Thermodynamics – Elsevier
Published: Aug 1, 2016
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