Permeability of ultrafiltration membranes

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 1973 English Publisher:Springer Science and Business Media LLCJournal:Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, volume 22, pages 2,521-2,524 (issn: 0568-5230, eissn: 1573-9171,

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Authors: G. V. Samsonov; T. I. Rozhanskaya; B. V. Moskvichev; N. A. Margolina; G. B. Selekhova; N. E. Kozhevnikova;

doi: 10.1007/bf00926409

Permeability of ultrafiltration membranes

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Abstract

1. A study was made of the permeability of a number of ultrafiltration membranes based on cellulose acetate relative to biologically active compounds of variable molecular weight as a function of the composition, solution concentration and the pressure. The degree of substance retention by a given membrane depends primarily on the molecular weight of the substance. 2. The filtration rate depends on the type of membrane, the value of the pressure gradient, and the concentration and composition of the solution being filtered. 3. An estimate was made of the pore sizes of ultrafiliters.

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Russian Academy of Sciences
Russian Federation

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