Amberlite XAD-7 impregnated with morpholine dithiocarbamate as trace metal extractant

Application of Amberlite XAD-7 impregnated with morpholine dithiocarbamate (MDTC) for separation and preconcentration of trace amounts of lead, copper, cobalt, iron, nickel, cadmium and zinc and determination by ICP-AES has been described. The optimum experimental parameters, such as pH, sample flow...

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Published in:Toxicological and environmental chemistry 2006-01, Vol.88 (1), p.65-76
Main Authors: Purna Chandra Rao, G., Satya Veni, S., Madhava Rao, M., Pratap, K., Wang, M. C., Seshaiah, K.
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Language:English
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Amberlite XAD-7
morpholine dithiocarbamate
Preconcentration
trace metals
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container_title Toxicological and environmental chemistry
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creator Purna Chandra Rao, G.
Satya Veni, S.
Madhava Rao, M.
Pratap, K.
Wang, M. C.
Seshaiah, K.
description Application of Amberlite XAD-7 impregnated with morpholine dithiocarbamate (MDTC) for separation and preconcentration of trace amounts of lead, copper, cobalt, iron, nickel, cadmium and zinc and determination by ICP-AES has been described. The optimum experimental parameters, such as pH, sample flow rate, eluent and effect of matrix ions on the preconcentration were investigated. Simultaneous enrichment of the seven metals was accomplished. The t 1/2 values for sorption are 2.9, 3.3, 3.7, 3.6, 2.8, 4.1 and 2.8 respectively for Pb(II), Cu(II), Co(II), Fe(III), Ni(II), Cd(II) and Zn(II). The method was applied for the determination of trace metal ions in seawater and natural water samples. The results have been compared with extraction GFAAS method.
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subjects Amberlite XAD-7
morpholine dithiocarbamate
Preconcentration
trace metals
title Amberlite XAD-7 impregnated with morpholine dithiocarbamate as trace metal extractant
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