Abstract
Kinetics of bromide ion-isotope exchange with weakly basic macroporous resin Indion-860 was studied. Two sets of experiments were performed. In the first set, inactive ion-exchange resin samples in the bromide form were equilibrated with a radioactive bromide solution spiked with 82Br tracer, and in the second set of experiments, labeled radioactive ion-exchange resin samples in the bromide form were equilibrated with an inactive bromide solution. The temperature was varied from 25.0 to 40.0°C, and the concentration of bromide ions in solution, from 0.005 to 0.100 M. In separate experiments, performed at a fixed temperature of 25.0°C using 0.0100 M bromide ion solution, the amount of the labeled radioactive ion-exchange resin was varied from 0.250 to 1.000 g. Essentially similar rate constants were obtained for the forward and reverse reactions.
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Published in Russian in Radiokhimiya, 2008, Vol. 50, No. 6, pp. 551–554.
The test was submitted by the authors in English.
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Lokhande, R.S., Singare, P.U. & Tiwari, S.R.D. Kinetics of bromide ion-isotope exchange with weakly basic macroporous resin Indion-860. Radiochemistry 50, 633–637 (2008). https://doi.org/10.1134/S106636220806009X
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DOI: https://doi.org/10.1134/S106636220806009X