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Type: Artigo de periódico
Title: Adsorption Of Cu(ii), Zn(ii), Cd(ii), Hg(ii) And Pb(ii) From Aqueous Solutions On A 2-mercaptobenzimidazole-modified Silica Gel
Author: Moreira J.C.
Pavan L.C.
Gushikem Y.
Abstract: The chemically modified silica, obtained by reacting 2-mercaptobenz-imidazole with 3-chloropropyl silica gel, was used to adsorb Cu(II), Zn(II), Cd(II) and Pb(II) from aqueous solutions at various pH. Between pH 3-5, the order of selectivity was Hg(II) > Cd(II) ≫ Cu(II) ∼ Zn(II) ∼ Pb(II). Under batch conditions retentions of 100% were achieved for all metals except for Pb(II) where 93% was attained. Under column conditions recoveries of 100% were obtained for all metals. © 1990 Springer-Verlag.
Editor: Springer-Verlag
Rights: fechado
Identifier DOI: 10.1007/BF01244293
Date Issue: 1990
Appears in Collections:Unicamp - Artigos e Outros Documentos

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