Insight of Spectrophotometric Determination Using 4-(2-Pyridylazo)- Resorcinol: Application of Stop Flow Injection Analysis | Insight Medical Publishing

Metal complexation and its kinetics are very crucial in analytical chemistry for the selective determination of ions of interest. In this study, the kinetics of reactions between 4-(2-pyridylazo)-resorcinol and UO22+, Cu2+ and mixture of UO22++ Cu2+ were examined. The role of pH of solution on the process was evaluated. Spectrophotometric studies revealed the possible existence of cation-cation complexes in solution. Stop flow single flow injection analysis method was used to understand the effect of pH on the stability of the complexes.