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Determination of Hypoxanthine in the Presence of Copper by Adsorptive Stripping Voltammetry

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Figure

Figure 1. Linear CV adsorptive stripping vol- tammogram of 0.60 ppm hypoxanthine in pre- sence of 0.25 ppm copper in a solution 1.0 × 10−3 mol·L−1 NaOH
Figure 4 shows linear CV voltammograms for solutions of increasing hypoxanthine concentration (steps of ping peaks were observed over this concentration range
Figure 3. Linear CV adsorp- tive stripping voltammograms of the hypoxanthine (0-A and 10-B ppb) in presence of cop- per (0.50 ppm) in a solution of 1.0 × 10−3 mol L−1 NaOH
Figure 4. Linear CV adsorptive stripping voltammo- grams obtained after increasing the hypoxanthine con- centration in 10 ppb steps (b-g) in presence of copper (0.50 ppm) in a solution of 1.0 × 10−3 mol·L−1 NaOH
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