Preconcentration of Zn2+ and Cu2+ ions from food and vegetable samples using modified activated carbon.

Abstract

In this work, two N/S-containing chelating agents 2-(4-methoxybenzylideneamino)thiophenol (2-4-MBAT) and 2-(4-chlorobenzylideneamino) benzenethiol (2-4-CBABT) were synthesized as new sorbents and were used for preconcentration of Zn(2+) and Cu(2+) ions in food and vegetable samples. In the proposed procedure, the trace amount of Zn(2+) and Cu(2+) ions from… (More)
DOI: 10.1007/s10661-011-2443-6

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