Adsorption of Cu(II), Zn(II), Cd(II), Hg(II) and Pb(II) from aqueous solutions on a 2-mercaptobenzimidazole-modified silica gel
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
27/05/2014
27/05/2014
01/01/1990
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Resumo |
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. |
Formato |
107-115 |
Identificador |
http://dx.doi.org/10.1007/BF01244293 Mikrochimica Acta, v. 102, n. 1-3, p. 107-115, 1990. 0026-3672 1436-5073 http://hdl.handle.net/11449/63954 10.1007/BF01244293 2-s2.0-34249956081 |
Idioma(s) |
eng |
Relação |
Mikrochimica Acta |
Direitos |
closedAccess |
Palavras-Chave | #2-mercaptobenzimidazole #cadmium #copper #mercury and lead determination #modified silica gel #preconcentration #zinc |
Tipo |
info:eu-repo/semantics/article |