To examine the ability of the AuCNTs modified electrode as a tool in arsenic detection in water, both linear sweep voltammetry and square wave voltammetry were used. Measurements were taken with a optimised system based on that developed by Dai et al. [33] with 0.1M HCl as supporting electrolyte.
Deposition of As(III) was carried out at deposition time of
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60, 120, 180, and 240s with LSV and 60, 120 and 240s with SWV for all three AuCNTs array stated above at an optimised scan rate of 100mVs−