caa a22 4500 467995575 CHVBK 20180323112556.0 cr unu---uuuuu 170328e19900101xx s 000 0 eng 10.1007/BF01244293 doi (NATIONALLICENCE)springer-10.1007/BF01244293 Adsorption of Cu(II), Zn(II), Cd(II), Hg(II) and Pb(II) from aqueous solutions on a 2-mercaptobenzimidazole-modified silica gel [Elektronische Daten] [José Moreira, Luiz Pavan, Yoshitaka Gushikem] 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. Springer-Verlag, 1990 modified silica gel nationallicence preconcentration nationallicence 2-mercaptobenzimidazole nationallicence copper nationallicence zinc nationallicence cadmium nationallicence mercury and lead determination nationallicence Moreira José Instituto de Química, Unesp, CP 174, 14800, Araraquara, SP, Brazil aut Pavan Luiz Instituto de Química, Unesp, CP 174, 14800, Araraquara, SP, Brazil aut Gushikem Yoshitaka Instituto de Química, Unicamp, CP 6154, 13081, Campinas, SP, Brazil aut Microchimica Acta Springer-Verlag 102/1-3(1990-01-01), 107-115 0026-3672 102:1-3<107 1990 102 604 https://doi.org/10.1007/BF01244293 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01244293 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Moreira José Instituto de Química, Unesp, CP 174, 14800, Araraquara, SP, Brazil aut NATIONALLICENCE 700 1- Pavan Luiz Instituto de Química, Unesp, CP 174, 14800, Araraquara, SP, Brazil aut NATIONALLICENCE 700 1- Gushikem Yoshitaka Instituto de Química, Unicamp, CP 6154, 13081, Campinas, SP, Brazil aut NATIONALLICENCE 773 0- Microchimica Acta Springer-Verlag 102/1-3(1990-01-01), 107-115 0026-3672 102:1-3<107 1990 102 604 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer