A spectrophotometeric determination of copper(II).diethyldithiocarbamate (DDTC) complex in aqueous phase in the presence of polyoxyethylenododecylether (Brij-35), a nonionic surfactant is reported here. The method obeys Beer's law in the concentration range of 1.5 × 10-5 to 7.0 × 10-5 mol.dm-3. The detection limit of copper(II) is 3 x 10-6 mol.dm-3. The molar absorption, sensitivity, critical micelle concentration, and DDTC metal ion concentration have been studied and discussed . The method has been applied to the determination of copper in goat liver and fly ash samples. The present method was compared with that of Flame Atomic absorption Spectroscopy (FAAS). No significant difference was noted between the two methods at 95% confidence interval.
G A SHAR ,M I BHANGER ,
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