Dilute aqueous solutions of aromatic hydrocarbons were permeated through a fluorocarbon polymer membrane under a pressure gradient. Some organic solutes were enriched about two fold and there was a peak in the relationship between enrichment factors and hydrophobicities of the solutes.

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A circuit current was effectively generated through a macro mosaic membrane, which was composed of separated membranes of a cation exchange membrane and an anion exchange membrane. Under a concentration gradient of non-electrolyte, up-hill transport of potassium chloride was observed with this macro mosaic membrane.

485that is probably the best ordering scheme for a computer catalog, the present order has the advantage of providing a visual display of the increasing geometrical complexities introduced by each additional binary azeotrope. Nomenclature C = number of components in a multicomponent mixture xi = liquid-phase composition of component i yi = vapor-phase composition of component i L i t e r a t u r e Cited Andrecovich, M.