Estimation of Ion-Exchange Equilibrium Constant Using Membrane Conductivity Data
The possibility of calculating the ionic composition of a membrane and the ion-exchange equilibrium constant on the basis of the concentration dependences of the specific conductivity of the membrane in individual and mixed solutions has been studied for an ion-exchange membrane–solution system, in...
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| Veröffentlicht in: | Colloid journal of the Russian Academy of Sciences 2021-05, Vol.83 (3), p.379-386 |
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| container_title | Colloid journal of the Russian Academy of Sciences |
| container_volume | 83 |
| creator | Falina, I. V. Kononenko, N. A. Demina, O. A. Titskaya, E. V. Loza, S. A. |
| description | The possibility of calculating the ionic composition of a membrane and the ion-exchange equilibrium constant on the basis of the concentration dependences of the specific conductivity of the membrane in individual and mixed solutions has been studied for an ion-exchange membrane–solution system, in which the solution contains two types of counterions and a common coion. The calculation has been carried out for MF-4SK and MK-40 membranes in a mixed solution of calcium and sodium chlorides, and a satisfactory agreement of the obtained values with those reported in the literature has been shown. This approach has been used to estimate the ion-exchange equilibrium constant for polyaniline-modified MF-4SK and MK-40 membranes, and a correlation has been shown between the results of the conductivity studies and the assessments of the counterion fluxes during the electrodialysis of the mixed solutions. |
| doi_str_mv | 10.1134/S1061933X21030054 |
| format | Article |
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V. ; Kononenko, N. A. ; Demina, O. A. ; Titskaya, E. V. ; Loza, S. A.</creator><creatorcontrib>Falina, I. V. ; Kononenko, N. A. ; Demina, O. A. ; Titskaya, E. V. ; Loza, S. A.</creatorcontrib><description>The possibility of calculating the ionic composition of a membrane and the ion-exchange equilibrium constant on the basis of the concentration dependences of the specific conductivity of the membrane in individual and mixed solutions has been studied for an ion-exchange membrane–solution system, in which the solution contains two types of counterions and a common coion. The calculation has been carried out for MF-4SK and MK-40 membranes in a mixed solution of calcium and sodium chlorides, and a satisfactory agreement of the obtained values with those reported in the literature has been shown. This approach has been used to estimate the ion-exchange equilibrium constant for polyaniline-modified MF-4SK and MK-40 membranes, and a correlation has been shown between the results of the conductivity studies and the assessments of the counterion fluxes during the electrodialysis of the mixed solutions.</description><identifier>ISSN: 1061-933X</identifier><identifier>EISSN: 1608-3067</identifier><identifier>DOI: 10.1134/S1061933X21030054</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Calcium chloride ; Chemistry ; Chemistry and Materials Science ; Electrodialysis ; Equilibrium ; Fluxes ; Ion exchange ; Mathematical analysis ; Membranes ; Polyanilines ; Polymer Sciences ; Sodium chloride ; Surfaces and Interfaces ; Thin Films</subject><ispartof>Colloid journal of the Russian Academy of Sciences, 2021-05, Vol.83 (3), p.379-386</ispartof><rights>Pleiades Publishing, Ltd. 2021. ISSN 1061-933X, Colloid Journal, 2021, Vol. 83, No. 3, pp. 379–386. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Kolloidnyi Zhurnal, 2021, Vol. 83, No. 3, pp. 352–359.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-9e05a852f7d19db8f49668b08f7e2679544e5ca7725432669b7f7dea13afcc4c3</citedby><cites>FETCH-LOGICAL-c353t-9e05a852f7d19db8f49668b08f7e2679544e5ca7725432669b7f7dea13afcc4c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1061933X21030054$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1061933X21030054$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Falina, I. V.</creatorcontrib><creatorcontrib>Kononenko, N. A.</creatorcontrib><creatorcontrib>Demina, O. A.</creatorcontrib><creatorcontrib>Titskaya, E. V.</creatorcontrib><creatorcontrib>Loza, S. A.</creatorcontrib><title>Estimation of Ion-Exchange Equilibrium Constant Using Membrane Conductivity Data</title><title>Colloid journal of the Russian Academy of Sciences</title><addtitle>Colloid J</addtitle><description>The possibility of calculating the ionic composition of a membrane and the ion-exchange equilibrium constant on the basis of the concentration dependences of the specific conductivity of the membrane in individual and mixed solutions has been studied for an ion-exchange membrane–solution system, in which the solution contains two types of counterions and a common coion. The calculation has been carried out for MF-4SK and MK-40 membranes in a mixed solution of calcium and sodium chlorides, and a satisfactory agreement of the obtained values with those reported in the literature has been shown. This approach has been used to estimate the ion-exchange equilibrium constant for polyaniline-modified MF-4SK and MK-40 membranes, and a correlation has been shown between the results of the conductivity studies and the assessments of the counterion fluxes during the electrodialysis of the mixed solutions.</description><subject>Calcium chloride</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Electrodialysis</subject><subject>Equilibrium</subject><subject>Fluxes</subject><subject>Ion exchange</subject><subject>Mathematical analysis</subject><subject>Membranes</subject><subject>Polyanilines</subject><subject>Polymer Sciences</subject><subject>Sodium chloride</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><issn>1061-933X</issn><issn>1608-3067</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LAzEQxYMoWKsfwFvA8-pk82c3R6mrFioKWvC2ZNNsTWmzbZIV--3NUsGDeJph3u_NMA-hSwLXhFB280pAEEnpe06AAnB2hEZEQJlREMVx6pOcDfopOgthBQCCQTlCL1WIdqOi7RzuWjztXFZ96Q_llgZXu96ubeNtv8GTzoWoXMTzYN0SP5lN45Uzw3zR62g_bdzjOxXVOTpp1TqYi586RvP76m3ymM2eH6aT21mmKacxkwa4KnneFgsiF03ZMilE2UDZFiYXheSMGa5VUeSc0VwI2RQJNYpQ1WrNNB2jq8Pere92vQmxXnW9d-lknXMqJXDJZaLIgdK-C8Gbtt769K7f1wTqIbj6T3DJkx88IbEpB_-7-X_TN8w4b1k</recordid><startdate>20210501</startdate><enddate>20210501</enddate><creator>Falina, I. 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The calculation has been carried out for MF-4SK and MK-40 membranes in a mixed solution of calcium and sodium chlorides, and a satisfactory agreement of the obtained values with those reported in the literature has been shown. This approach has been used to estimate the ion-exchange equilibrium constant for polyaniline-modified MF-4SK and MK-40 membranes, and a correlation has been shown between the results of the conductivity studies and the assessments of the counterion fluxes during the electrodialysis of the mixed solutions.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1061933X21030054</doi><tpages>8</tpages></addata></record> |
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| subjects | Calcium chloride Chemistry Chemistry and Materials Science Electrodialysis Equilibrium Fluxes Ion exchange Mathematical analysis Membranes Polyanilines Polymer Sciences Sodium chloride Surfaces and Interfaces Thin Films |
| title | Estimation of Ion-Exchange Equilibrium Constant Using Membrane Conductivity Data |
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