Partition equilibrium of iodine in aqueous sodium hydroxide solutions containing boric acid.
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概要
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The partition equilibrium of iodine in the aqueous mixtures of sodium hydroxide and boric acid was investigated and was compared with the case of the aqueous solution without boric acid. It was found that the reactions of iodine species with boric acid and its derivatives were negligible and the only effect of the addition of boric acid on the partition of iodine species in the solution came out through the shift of hydrogen ion concentration. The hydrogen ion concentration can be evaluated by taking into consideration the dissociation of boric acid and the formation of polymeric borate ion besides a series of reactions of iodine species in the solutions. The observed equilibrium concentrations of various iodine species agreed well with those calculated from the concentration of the total iodine and the calculated hydrogen ion concentration.
- 一般社団法人 日本原子力学会の論文
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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MITAMURA Hisayoshi
Institute of Atomic Energy, Kyoto University
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