Uptake of Iodine and Bromine by Ion-Exchange Resins in Aqueous Solution

被引：0
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作者：
Isao Sanemasa
Michiko Yoshida
Asami Abe
机构：
[1] Kumamoto University,Department of Science, Faculty of Science
来源：
Analytical Sciences | 2008年 / 24卷
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摘要：
The uptakes of molecular iodine and bromine by both strong acid cation (Dowex 50W-X4 and X8) and strong base anion (Dowex 1-X4 and X8) exchange resins have been studied in aqueous solutions at 25°C. An empirical formula for the amount of solute taken up by the resin in mmol per gram of dry resin, Q, as a function of the solute concentration in M (mol dm–3), C, was derived. Direct proportional relationships between Q and C have been found, except for the bromineanion exchanger system. In contrast to the cation-exchange resin, the anion exchanger exhibits extremely high affinity for I2 and Br2.
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页码：921 / 924
页数：3
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