Effect of gamma radiation on organic ion exchangers |
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| Authors: | PS Remya Devi Shreeram Joshi Rakesh Verma AM Lali LM Gantayet |
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| Institution: | 1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India;2. University Institute of Chemical Technology, Mumbai, India;3. Beam Technology Development Group, Bhabha Atomic Research Centre, Mumbai 400085, India;1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India;2. High Pressue and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India;3. Undergraduate student, Birla Institute of Technology and Science, Pilani, Madhya Pradhesh, India;1. University of Münster, Institute of Inorganic and Analytical Chemistry, Corrensstraße 30, 48149 Münster, Germany;2. European Virtual Institute for Speciation Analysis (EVISA), Mendelstraße 11, 48149 Münster, Germany;3. European Institute for Molecular Imaging (EIMI), Waldeyerstraße 15, 48149 Münster, Germany;1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India;2. High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India;1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | Effects of gamma radiation on indigenous strong cation and anion exchange resins have been studied in HCl medium up to a dosage of 3600 kGy. The ion exchange capacities of cation and anion exchangers decreased by around 20% at 2400 kGy of absorbed dose. Decrease in salt-splitting capacity and total exchange capacity for both cation and anion exchangers were comparable up to 2400 kGy. Above 2400 kGy, a marginal loss in the capacity was observed for cation exchangers whereas a drastic reduction was noticed for the anion exchangers. The distribution coefficients for zirconium, antimony and cobalt, measured in HCl medium, did not change significantly for 2400 kGy of absorbed dose. Crushing strength and moisture retention capacity did not exhibit any specific trend with the absorbed dose. |
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