Abstract
Sequential injection system (SI system) was used for the pretreatment of a carbon electrode in an anodic stripping voltammetry (ASV) for the determination of arsenic (III). In this research, a screen-printed carbon electrode (SPCE) was used; SPCE was prepared in our laboratory by us. In ASV, SPCE was chosen as a working electrode because SPCE is less expensive, easy to use for a flow cell and suitable for thin-film modification method. ASV parameters were optimized with a handy-type potentiostat. The proposed method is one of alternatives for the determination of arsenic (III), which is fast, accurate and precise method with less expensive automated system.
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