Ion-Exchange Separation of Thorium in Monazite 


Vol. 5,  No. 1, pp. 56-59, Feb.  1961


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  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.

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  Cite this article

[IEEE Style]

H. S. Choi and Y. G. Ha, "Ion-Exchange Separation of Thorium in Monazite," Journal of the Korean Chemical Society, vol. 5, no. 1, pp. 56-59, 1961. DOI: .

[ACM Style]

Han Suk Choi and Young Gu Ha. 1961. Ion-Exchange Separation of Thorium in Monazite. Journal of the Korean Chemical Society, 5, 1, (1961), 56-59. DOI: .

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ISSN(Print) 1017-2548
ISSN(Online) 2234-8530