Solvent extraction of several metal ions with mercaptotropone |
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Authors: | M. Yamashita N. Suzuki |
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Affiliation: | (1) Department of Chemistry, Faculty of Science, Tohoku University, 980 Sendai, Japan |
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Abstract: | Mercaptotropone was synthesized from tropone, and its acid dissociation constant (Ka) and distribution coefficient (KD) between benze and aqueous solution were spectrophotometrically determined as 5.75 (pKa) and 2.46 (log KD); Extraction behaviour of Mn(II), Co(II), Ni(II), Cu(II), Zn(II), Pb(II), Cr(III), Fe(III), Y(III), and Zr(IV) with this reagent into benzene was examined. Cu(II) and Fe(III) were completely extracted from acidic solution, Mn(II), Co(II), Ni(II), Zn(II), Pb(II), and Zr(IV) were also extracted from intermediate pH region, a part of Cr(III) was extracted, but Y(III) was not extracted. |
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