DK86178C -
Process for separating the gamma isomer of benzene hexachloride from a mixture containing the alpha isomer and the gamma isomer.
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Process for separating the gamma isomer of benzene hexachloride from a mixture containing the alpha isomer and the gamma isomer.
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DK256554A1953-08-141954-08-12
Process for separating the gamma isomer of benzene hexachloride from a mixture containing the alpha isomer and the gamma isomer.
DK86178C
(en)
Process for isolating aromatic hydrocarbons from mixtures containing a major proportion of aromatic compounds and monoolefins and a minor proportion of gum-forming constituents.
Process for separating the components into mixtures consisting of 17α-hydroxy-20-keto-21-acyloxypregnane or allo-pregnane compounds and the corresponding 17α-hydroxy-20-keto-pregnane or allo-pregnane compounds .