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Received October 19, 2011
Accepted May 9, 2012
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Solubility of N-chloro succinimide in different pure solvents in the temperature range from 278.15 K to 333.15K
School of Pharmaceutical Sciences, Nanjing University of Technology, Nanjing 211816, China 1Jiangsu Engineering Technology Research Center of Polypeptide Pharmaceutical, Nanjing 210009, China
Korean Journal of Chemical Engineering, October 2012, 29(10), 1413-1417(5), 10.1007/s11814-012-0061-9
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Abstract
Solubility data were measured for N-chloro succinimide in pure n-butanol, ethyl acetate, acetone, isopropanol, tetrahydrofuran, acetonitrile and acetic anhydride at the temperature range between 278.15 K and 333.15 K under atmospheric pressure by gravimetric method. The solubility of N-chloro succinimide in those selected solvents increased with increasing temperature. The solubility data were correlated with the modified Apelblat equation and the van’t Hoff equation to obtain the model parameters. The experimental results could be useful for optimizing the process of purification of N-chloro succinimide in industry. Isopropanol could be the excellent solvent in the crystallization of N-chloro succinimide.
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References
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