A sensitive method for the determination of lead in preserved egg by flame absorption spetrometry using ammonium pyrrolidine dithiocarbamate-polystyrene chemically modified platinum wire matrix is presented. The modified platinum wire matrix, after preconcentrating the lead, is placed in a flame burner for direct atomization and measurment. The concentration range is linear between 5 and 500 ng/ml lead in solution and the detection limit is 0.65 ng/...
