Ion transfer mechanism in pores of semipermeable polymer sensor membranes
| Autor: | L. N. Potekhina, A. N. Surkova, V. M. Sedelkin |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
chemistry.chemical_classification
Cellulose diacetate Aqueous solution Chemistry General Chemical Engineering Analytical chemistry Ultrafiltration Energy Engineering and Power Technology General Chemistry Polymer Ion law.invention Fuel Technology Membrane Chemical engineering Geochemistry and Petrology law Semipermeable membrane Filtration |
| Zdroj: | Petroleum Chemistry. 52:541-544 |
| ISSN: | 1555-6239 0965-5441 |
| DOI: | 10.1134/s0965544112070146 |
| Popis: | Ion transfer in the pores of semipermeable cellulose diacetate membranes during the ultrafiltration of aqueous solutions containing high-molecular-weight compounds (serum proteins) and mineral substances including Cl−, K+, Ca2+, and Na+ ions is considered. It was found experimentally that the concentrations of not only proteins but also the above ions changed in the course of membrane filtration. A model was proposed for ion transfer in the capillary pores of ultrafiltration membranes, and the numerical values of Ca+ and Cl− transfer parameters in the test systems were obtained. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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