Application of the pH-Stat Technique in Donnan Dialysis Effect of Anion Invasion in the CoSO4/NAFION 117/H2SO4 System
- 1 October 1988
- journal article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 23 (12-13) , 1825-1837
- https://doi.org/10.1080/01496398808075666
Abstract
Cobalt transport during Donnan dialysis in the CoSO4 Nafion 117/H2SO4 system was measured with a pH-stat technique, (i.e., the pH in the feed compartment was maintained constant). During the transfer process, Co2+ ions moved from the cobalt reservoir to the sink compartment, while hydrogen ions moved in the opposite direction. A standardized NaOH solution was used to neutralize the H+ ions entering the reservoir compartment, and in the absence of anion invasion, the cobalt flux was determined asKeywords
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