REACTIONS OF IODINE IN AQUEOUS SOLUTIONS CONTAINING SODIUM HYDROXIDE
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概要
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Reactions of iodine in aqueous phase were studied by a concentration relaxation method. From the result of the present investigation, the mechanism of the absorption of iodine in air by aqueous sodium hydroxide solution is as follows:(Step 1) Molecular iodine in air dissolves into the aqueous phase through the gas-liquid interface according to Henry''s law.(Step 2) Instantaneous reversible reactions take place in the aqueous phase and HIO, I- and I3- form.(Step 3) HIO formed by the above reaction is consumed gradually and IO-3 forms, while the instantaneous reversible reactions of step 2 are in equilibrium at any instant. Overall consumption rate of HIO can be approximated by the rate equation of the second-order reaction with respect to HIO.
- 公益社団法人 化学工学会の論文
著者
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Adachi Motonari
Institute Of Advanced Energy Kyoto University
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EGUCHI Wataru
Institute of Atomic Energy, Kyoto University
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TOHDO FUKUZO
Institute of Atomic Energy, Kyoto University
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YONEDA MINORU
Institute of Atomic Energy, Kyoto University
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