Abstract
Sorption of51Cr(VI) by MnO2 has been studied as a function of pH and ionic concentration in the presence of certain added cations and anions. The findings are explained in the light of deprotonation/hydroxyl ion association reaction on oxide surface and its subsequent interaction with the tracer. Infrared spectroscopy has shown the chemical interaction of Cr(VI) on the surface of MnO2. The influence of certain interfering ions has been shown on the sorption of51Cr(VI) on MnO2 surface. An attempt has been made to concentrate traces of51Cr under optimum experimental conditions. The experimental observation shows that the activity sorbed under specified conditions can be recovered appreciably by leaching the pre-adsorbed carrier.
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Bhutani, M.M., Mitra, A.K. & Kumari, R. Adsorption of51Cr(VI) on manganese dioxide from aqueous solution. Mikrochim Acta 107, 19–26 (1992). https://doi.org/10.1007/BF01772349
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DOI: https://doi.org/10.1007/BF01772349