Jia Hai-hong
2011
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Journal
Chemical Reagents
Abstract
In order to select the appropriate solvent for the separation of 4-chloromethylbenzonitrile and 4-(1H-1,2,4-Triazol-1-ylmethyl)benzonitrile mixture,the static equilibrium method was used to measure the solubility of the two solid solutes in different solvents and provided the essential data for the industrial separation process design of crystallization.The better solvents were chosen as ethyl acetate,isopropyl ether and tetrachloromethane based on the separation factor.The solubility data of the two compounds in ethyl acetate,isopropyl ether and tetrachloromethane were correlated by the λ-h equation with satisfactory agreements.The average relative deviation between the calculated solubility value and that of experimental data was less than 5.6%.