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A study on the distribution coefficient of bromide ions from aqueous solution on ion exchange resins Duolite A-101D and Duolite A-102D

机译:离子交换树脂Duolite A-101D和Duolite A-102D上水溶液中溴离子分布系数的研究

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摘要

The ion exchange resins Duolite A-101D and Duolite A-102D in bromide form were equilibrated separately with labelled radioactive bromide ion solutions of different concentrations varying from 0.005 M to 0.100 M in the temperature range of 25.0℃ to 45.0℃. The K_d values of bromide ions for Duolite A-102D were higher than that for Duolite A-101D under identical experimental conditions. The difference in K_d values of bromide ions for the two resins is mainly because of the swelling pressure, which depends on their water-holding capacities.
机译:溴化物形式的离子交换树脂Duolite A-101D和Duolite A-102D分别在25.0℃至45.0℃的温度范围内,用标记浓度范围从0.005 M至0.100 M的放射性溴化物放射性溶液分别进行平衡。在相同的实验条件下,Duolite A-102D的溴离子K_d值高于Duolite A-101D的溴离子K_d值。两种树脂的溴离子K_d值的差异主要是由于溶胀压力,这取决于它们的持水能力。

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