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The process of alkylpyridinium homologous transfer through polyvinylchloride plasticized nanofiltration membranes (molecular sieves) under self-diffusion and direct current conditions. Quantitative characteristics of membrane transport: the coefficients of permeability, diffusion, the distribution coefficient, ion flux, were calculated. The dependences of the volume properties of nanofiltration membranes from the hydrocarbon radical length in the alkylpyridinium homologous in membrane solutions and pore formers were shown.

Features of Alkylpyridinium Homologues Diffusion through PVC Molecular Sieves