발간논문

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Vol.29, No.8, 861 ~ 866, 1991
Title
Adsorption of Thorium in Sodium tungstate Solution by Ferric Hydroxide
이용묵Yong Mook Lee, 이원해Won Hae Lee
Abstract
It was studied that the trace amounts of thorium in Na₂WO₄ solution was removed through the adsorption of thorium by ferric hydroxide. The adsorption of thorium in Na₂WO₄ solution took place above pH 10. When the concentration of Na₂WO₄ was higher than 0.050M, the adsorption of thorium was increased with increasing pH. The increase of Na₂WO₄ concentration caused the adsorption of thorium to decrease. The increase of temperature caused the adsorption of thorium to decrease. The adsorption of thorium by ferric hydroxide followed Freundlich isotherm.
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