Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
DETERMINATION OF TRACES OF SCANDIUM IN GEOLOGICAL MATERIALS BY PRECONCENTRATION
ION-INTERACTION CHROMATOGRAPHY
ROKURO KURODAKATSUAKI SATOKOICHI OGUMA
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1991 Volume 7 Issue Supple Pages 139-142

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Abstract

Preconcentration and ion-interaction chromatography of scandium have been worked out for the determination of scandium in geological materials. Scandium can be enriched by cation-exchange in thiocyanate-hydrochloric acid medium after wet decomposition of rock sample with hydrofluoric-perchloric acids. Subsequent ion-interaction chromatography in lactate medium allows scandium to be determined selectively and sensitively with post-column reaction detection with Arsenazo III. About 5 to 50μg Sc/g of silicate rocks has been determined with good precision.

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