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KMID : 1059520100540010088
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Journal of the Korean Chemical Society
2010 Volume.54 No. 1 p.88 ~ p.92
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Dissolution Kinetics of Thiourea in Triglycol Solution
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Hua Li
Feng Guo
Guoqin Hu
Lei Zhao
Yadong Zhang
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Abstract
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Isopropyl mercaptan is an important pharmaceutical intermediate and chemical material. And thiourea and triglycol are the main materials for the synthesis of isopropyl mercaptan. Therefore the dissolution of thiourea in triglycol solution is very important for the production of isopropyl mercaptan. The aims of this study are to examine the dissolution kinetics of thiourea in triglycol solution, and to present an alternative process for producing isopropyl mercaptan. In order to investigate the dissolution kinetics of thiourea in triglycol solution, the concentrations of solution and reaction temperature were selected as experimental parameters. It was determined that the dissolution rate of thiourea increased with the increase in solution concentration and temperature. An empirical equation was used in fitting the data. Statistical analysis indicated small errors and the results should be reliable.
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KEYWORD
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Dissolution, Kinetics, Thiourea, Triglycol, Solution, Diffusion
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