Comparative study on ion-isotopic exchange reaction kinetics by application of tracer technique
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R. S. Lokhande
The radioactive isotopes 131I and 82Br were used to trace the ion-isotopic exchange reactions using industrial grade ion exchange resins Amberlite IRA-400. The experiments were performed to understand the effect of temperature and concentration of ionic solution on kinetics of exchange reactions. Both the exchange reactions were greatly influenced by rise in temperature, which result in higher percentage of ions exchanged. For bromide ion-isotopic exchange reactions, the calculated values of specific reaction rate/min-1, and amount of ions exchanged/mmol were obtained higher than that for iodide ion-isotopic exchange reactions under identical experimental conditions. The observed variation in the results for two ion-isotopic exchange reactions was due to the difference in the ionic size of bromide and iodide ions.
© Oldenbourg Wissenschaftsverlag
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Artikel in diesem Heft
- Yield and excitation function measurements of some nuclear reactions on natural thallium induced by protons leading to the production of medical radioisotopes 201Tl and 203Pb
- Production of no-carrier-added 123I via heavy-ion activation of natural antimony oxide
- Sorption behavior of curium(III) on hydrous silica: a kinetic and thermodynamic study
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- Comparative study on ion-isotopic exchange reaction kinetics by application of tracer technique
- Kinetics of isotopic exchange between calcium molybdate and molybdate ions in aqueous solution
- Separation of 137mBa from its parent 137Cs from an equilibrium mixture using amide incorporated Amberlite IRC-50
