RADIOCHEMICAL STUDIES OF IODINE BEHAVIOR UNDER CONDITIONS RELEVANT TO NUCLEAR-REACTOR ACCIDENTS

被引：13
|
作者：
EVANS, GJ
JERVIS, RE
机构：
[1] Department of Chemical Engineering, University of Toronto, Toronto
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 161卷 / 01期
关键词：
D O I：
10.1007/BF02034886
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Radiochemical methods are quite suitable for studying the behaviour of radioiodine under the dilute conditions relevant to nuclear reactor accidents. Species selective adsorbents are able to distinguish between various inorganic and organic ps-phase iodine species. A solvent extraction procedure for determining aqueous phase organic iodide, free iodine, I- and IO3- fractions has been investigated and found to be valuable, although large inaccuracies in the separation of I- and IO3- can occur for solutions of pH above 10. The extraction of potentially-volatile species in the aqueous phase gives a measure of iodine species volatility consistent with observed values of the partition coefficient. Indirect measurement suggest that the partition coefficient of HOI at room temperature exceeds 30,000.
引用
收藏
页码：121 / 133
页数：13
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