Flame atomic absorption spectrometric determination of Cd, Pb, and Cu in food samples after pre-concentration using 4-(2-thiazolylazo) resorcinol-modified activated carbon

다국어 초록 (Multilingual Abstract)

This work aimed to develop a solid-phase extraction method using low-cost activated carbon producedfrom waste and modified with 4-(2-thiazolylazo) resorcinol for Cd(II), Pb(II), and Cu(II). The resultsshowed that quantitative recovery of analytes was obtained at pH 6 with 3 Mnitric acid as the eluent anda sample volume up to 1000 mL. The method was validated using certified reference material andaddition-recovery tests. The limits of detection (LODs) for Pb(II), Cd(II), and Cu(II) were 2.03 mg L-1,0.15 mg L-1, and 0.19 mg L-1, respectively. The procedure was applied for determination of analytes infood samples.

참고문헌 (Reference)

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