A chelating resin coupling Amberlite XAD-2 functionalized with dithizone is synthesized and characterized. Dissolved cadmium is field-preconcentrated using a minicolumn packed with the synthesized resin and determined by flame atomic absorption spectrometry. Five experimental variables are evaluated. The enrichment factor of 416 is obtained for 50 mL of sampling volume, and the detection limit ...

Abstract The comparison of optimum conditions for lead (Pb) analytical method using dithizone and EDTA complexes in Eucheuma Spinosum (Eucheuma Sp.) was measured a standard addition method, where the solution Pb 2+ added to sample reduce noise. Additionally, UV-Vis spectrophotometer used with Spinosum, ions both were measured. Both first developed determine optimal pH that would measure level S...