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  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    A Study on the Desorption Behaviors of Some Heavy Metals on Duolite GT-73 Chelating Resin

    분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2001, v.14 no.6, pp.530-534
    Sook-Young Kim
    Jae-Suk Lee
    Young-Man Kim
    Beom-Suk Choi
    Kim, S., Lee, J., Kim, Y., & Choi, B. (2001). . 분석과학, 14(6), 530-534.
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    Abstract

    Effect of stripping solutions on the Duolite GT-73 chelating resin for ten elements, Ag(I), Al(III), Ca(II), Cd(II), Cu(II), Fe(II), Hg(II), Mn(II), Pb(II), and Zn(II), was investigated. Relation between affinities of the metal ions and solubility products of metal sulfides was studied. The smaller the solubility product of metal sulfideis, the larger the affinitie with the ionsis. The ions which have the solubility products larger than <TEX>$10^{-23}$</TEX> could be effectively desorbed with nitric acid. Complexation with chloride ion enhanced the desorption efficiencies of the ions having moderately strong affinity with the resin. The ions which have very strong affinity by the chelating resin can be desorbed by complextion with thiourea and hydrochloric acid.

    keywords
    Duolite GT-73 chelating resin, desorption of heavy metals, solubility product of metal sulfides


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