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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 16, Number 1
JKCSEZ 16(1)
February 20, 1972 

Adsorption Kinetics of Carrier-Free Yttrium-90 on Membrane Filters

막여과지에 대한 이트륨-90의 흡착 반응속도에 관한 연구
Won Mok Jae

The adsorption kinetics on a membrane filter have been studied by an introduction of acid or alkali in yttrium-90 solution. The change of the adsorption in the filtration process was determined by the filtrate activities with using a microsyringe filter holder connected with a syringe. The over all reaction rate obeyed a reversible first order reaction, and the rate constants thus obtained, showed the values of k1 = 0.12 sec-1 and k1' = 0.039 sec-1. As a result of the present studies, it would be reasonable that the rate determining step of the adsorption reaction was the hydrolysis reaction of the adsorbed yttrium ions.
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