The sorption of s-triazines by model nucleophiles are related to their partitioning between water and cyclohexane☆

Add time:08/11/2019    Source:sciencedirect.com

Adsorption isotherms indicate that alkylamino-s-triazines containing chloro, methoxy, and methylthio groups in the 2-position are removed from 2% ethanol solution by nylon and cellulose triacetate by a solid solution process. It is proposed that the binding sites of the s-triazines are the electropositive 2-substituents and those of the solids are the carbonyl oxygen atoms. Sorption is concluded to result from dipole-dipole interaction. There is a linear relationship between the amount of sorption and the degree of partitioning between cyclohexane and water of s-triazines having common substituents. Partition coefficients prove a better general index of sorption than do the solubilities of s-triazines.

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