Inderscience Publishers

Behaviour of radioactive iodine and bromine from aqueous solutions on the ion-exchange resin Duolite A-113

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The iodide and bromide forms of the ion exchange resin Duolite A-113 were equilibrated separately with respectively labelled iodide and bromide ion solutions of different concentrations, varying from 0.005 M to 0.100 M in the temperature range of 26.0°C to 43.0°C. The distribution coefficient Kd values calculated for iodide and bromide ion exchanges increase with the ionic concentration of the external solution; however, with a rise in temperature, the Kd values calculated were found to decrease. Also, the Kd values were higher for iodide exchanges than for bromide exchanges.

Keywords: isotopic ion exchange, Duolite A-113, liquid radioactive waste, distribution coefficients, tracer technique, 82Br, 131I, radioactive iodine, radioactive bromine, ion exchange resin, nuclear waste, nuclear energy, nuclear power

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