- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Separation and analysis of Cr(III) and Cr(VI) using 8-hydroxyquinoline complexation of Cr(III)
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2007, v.20 no.3, pp.246-250
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(2007). Separation and analysis of Cr(III) and Cr(VI) using 8-hydroxyquinoline complexation of Cr(III). , 20(3), 246-250.
Abstract
The quantitative determination of chromium(VI) by separation from chromium(III) complex of 8-hydroxyquinoline using solvent extraction has been studied. The reaction conditions for chromium(III) complex of 8-hydroxyquinoline and the solvent extraction of complex were investigated in detail. The chromium(III) complex was extracted with organic solvent (n-hexane) and residual chromium(VI) was determined by ICP-AES in aqueous layer. This technique is quantitative in the pH range of 8-9 and the limitations such as interfering ions were discussed.
- keywords
- 8-hydroxyquinoline, chromium(III), Chromium(VI)
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