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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 5, Number 1
JKCSEZ 5(1)
February 20, 1961

Title	Ion-Exchange Separation of Thorium in Monazite 이온교환수지에 의한 토리움분리
Author	Han Suk Choi, Young Gu Ha 최한석, 하영구
Keywords
Abstract	Ion exchange procedure was studied for the separation of thorium from the acidic solution obtained by means of decomposition of monazite with alkali solution. Present cation exchange method consists of adsorption of cations from the sample solution (ca. 0.6N HCl acidic) onto Amberlite IR-120 resin, elution of all of the rare earth cations with 700 ml. of 2N Hydrochloric acid, and recovery of the thorium by elution with 200ml. of 6N sulfaric acid. Thorium recovery by the ion-exchange method mentioned above, was quantitative, and it is concluded that this ion-exchange method may be used not only for industrial separation of thorium from rare earths but also for quantitative determination of thorium with relative error, ±1.0.
Page	56 - 59
Full Text	PDF

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