Simultaneous spectrophotomeric determination of Fe(III) and Al(III) ions using new synthetic Schiff base by Continuous wavelet transform

Continuous wavelet transform together with zero-crossing technique was applied to the overlapping spectra of Fe(III) and Al(III) complexes. It was found that, at 5. 0 × 10-5 mol L-1 of DPBDO, pH 8.0 and 10 minute after mixing the complexation reactions were completed. The results showed that Fe(III and Al(III) could be determined simultaneously in the range of 0.5–7.0 mg L_1 and 0.5-6.5 mg L-1. Mexican and Symlet-4 from the family of continuous wavelet transforms were selected and applied under the optimal conditions for multi-component determinations. The method was tested by analyzing various synthetic birnary mixtures of analytes in different water and foodstuff samples. The obtained results of samples with proposed method have been compared with those predicted by flame atomic absorption spectrophotometry (FAAS).