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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 14, Number 4
JKCSEZ 14(4)
August 20, 1970

Title	Studies on Carrier-Free Yttrium-90 with Membrane Filters
Author	Won Mok Jae
Keywords
Abstract	The state of carrier-free yttrium-90 has been studied by filtration method with membrane filters. The studies include the adsorption ratio of carrier-free yttrium-90 on membrane filters by the change of pH, concentration of yttrium-90, and the pore size of membrane filters. The adsorption followed to Freundlich adsorption isotherm. The adsorption mechanism was proposed by the adsorption of transient state as an ionic form of Y3+, and the experimental results were explained satisfactorily by the proposal. The adsorbed state of yttrium was present in the forms of yttrium such as Y3+, Y(OH)3+, Y(OH)2+, Y(OH)+2, and Y(OH)3, and the existing ratios of the forms of yttrium were sharply changed by pH. It seems to be valid tha the carrier-free yttrium-90 exists mostly in Y3+ state.
Page	347 - 355
Full Text	PDF

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