A procedure for the obtaining of pure hexachlorociclohexane from mixtures of hexachlorociclohexanium isomers, etc. (Machine-translation by Google Translate, not legally binding)

摘要

An improvement introduced in a method according to claim 1 of the main patent number 203,683, characterized in that in order to increase the amount of the double combination of gamma-hexachlorocyclohexane with dioxane precipitated, solvents are added in such quantities, which is reduced the solubility of the double combination in the mother liquors, whereas, on the contrary, the solubility of alpha-hexachlorocyclohexane in the mother liquor is practically not affected. (Machine-translation by Google Translate, not legally binding)