The Study of a New Method to Determine Copper Ion by Square-Wave Voltammetry-Extraction Iodometry at the Liquid/Liquid Interfaces

<table>The absorbency degree versus
concentration of Cu<sup>2+</sup> in solution.</table>

Journal of Analytical Methods in Chemistry

Figure 6: The Study of a New Method to Determine Copper Ion by Square-Wave Voltammetry-Extraction Iodometry at the Liquid/Liquid Interfaces 