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Electrochemical Detection of Arsenic in Various Water Samples

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Figure

Figure 1. (A)  CVs of nano Au-CRV film electrodeposited on the GCE from 0.1 M KNO3 containing KAuCl4.3H2O (1 × 10-3 M) and CRV (1 × 10-3 M) and potential scan between 1 to -1 V for 60 cycles at the scan rate of 0.1 V/s
Figure 2.  EIS response of (a) bare and (b) nano Au-CRV film modified GCE in pH 7 PBS containing 5 mM [Fe(CN)6]3-/4-
Figure  3.  SEM images of the nano Au-CRV film modified ITO (magnifications x10, 000 (A) and x40,000 (B))
Figure 4(B) (curve a-t), show the DPVs of nano Au-CRV film modified GCE in pH 7.0 PBS for the various concentrations of As (III)
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