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Determination of Trace Amounts of Bismuth In Pharmaceutical and Water by Adsorptive Cathodic Stripping Voltammetry in the Presence of Xylenol Orange

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Figure

Fig. 1: Differential pulse voltammograms for (a)background, (b) 0.2 µg mLof bismuth and 0.2 µg mL-1 of xylenol orange,(c) 0.08 µg mL-1 of bismuth and (d) 0.08 µg mL-1-1 xylenol orange in B-Rbuffer (pH 5.0)
Fig. 6: The effect of stirring speed on the peakcurrent and its R.S.D. (%) for 0.08 µg mL of

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