Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
DESIGN FOR MUTUAL SEPARATION OF TRACE METALS ON THE BASIS OF HSAB RULE
HIDEO AKAIWAHIROSHI KAWAMOTO
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1991 Volume 7 Issue Supple Pages 3-6

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Abstract

An approach to the mutual separation of chemically similar metal ions using chelate extraction is shown on the basis of HSAB rule. The critical separation condition for InIII and GaIII was obtained by the SBB diagram, where SB and σB are the proposed HSAB parameters for a chelating agent. This concept was successfully applied to the design of mutual separation scheme of CdII and ZnII using synergistic extraction.

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