Abstract
A systematic study was carried out on the adsorption behaviour of Na, Cs and Ba on Dowex 1X8 from various concentrations of hydrochloric and nitric acid solutions. The addition of water-miscible organic solvents to the acidic solutions was found to increase the Kd values for these elements to different extents, which provides a useful method for the separation of carrier-free Ba from irradiated Cs. The effect of kind and content of the different alcohols on the adsorption of Ba was also investigated. It was found that Kd increases with the increase of the alcohol content as well as with the increase of both the dielectric constant and chain length of the alcohol. This effect was found to be more pronounced in the case of nitric acid media.
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