RADIOISOTOPES
Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303
Solvent Extraction Behavior of Yttrium with Thenoyltrifluoroacetone
Nagao IKEDAKan KIMURAHideharu FUJIMOTO
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1976 Volume 25 Issue 6 Pages 323-328

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Abstract

Solvent extraction behavior of yttrium was studied in the system of chloroform solution of thenoyltrifluoroacetone (TTA) and 0.1 M aqueous perchlorate solution at 25°C. 88Y was used as the tracer. The variation of distribution coefficients in the concentration range of 10-2-10-1M TTA and pH 3-6 was explained as the extraction of YA3 into the organic phase and the formation of YA2+, YA2+andYA3 (A=anion of TTA) in the aqueous phase. The equilibrium constant for the reaction
Y3++3HA(org) _??_ YA3 (org) +3H+
was obtained as K0=2.82×10-9

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© Japan Radioisotope Association
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