Performance Based Characterization of Nuclear and Non-Nuclear Grade Anion Exchange Resins Indion 102 and Indion-860 by Application of Radio Analytical Technique

Abstract

Performance Based Characterization of Nuclear and Non-Nuclear Grade Anion Exchange Resins Indion 102 and Indion-860 by Application of Radio Analytical Technique The present study deals with the application of 131 I and 82 Br radioactive tracer isotopes to evaluate the performance of Indion-102 (nuclear grade) and Indion-860 (non-nuclear grade) ion exchange resins. The major parameters studied for evaluation were specific reaction rate (min-1 ), percentage and amount of ions exchanged (mmol). It was observed that for both the resins under identical experimental conditions, iodide ions exchange take place at faster rate as compared to that of bromide ions which was related to the extent of solvation. It was observed that at a constant temperature of 35.0 °C, as the concentration of spiked iodide ion solution increases 0.001 M to 0.004 M, the percentage of iodide ions exchanged increases from 63.8% to 68.8% for Indion-102 resins; while for Indion-860 resins it increases from 51.1% to 52.6%. Similarly for 0.002 M spiked iodide ion solution, with rise in temperature from 30.0 °C to 45.0 °C, it is observed that the percentage of iodide ions exchanged decreases from 66.1% to 64.0% using Indion-102 resins; while for Indion-860 resins it decreases from 52.4% to 49.8%. The study reveals that for both the resins there exist a strong linear correlation between amount of ions exchanged and concentration of ionic solution, as well as between amount of ions exchanged and temperature of exchanging medium. In general based on radiotracer applications it was observed that Indion-102 resins show superior performance than Indion-860 resins under identical operational parameters.