New electrochemical sensor for sensitive quantification of copper in river, city, bottled and drinking water samples
作者： R. Heidarimoghaddam , S. S. Mortazavi , A. Farmany
关键词: Bottled water 、 Voltammetry 、 Stripping (chemistry) 、 Electrochemical gas sensor 、 Copper 、 Adsorption 、 Chemistry 、 Working electrode 、 Horizontal scan rate 、 Analytical chemistry
摘要: In the present study, a reliable and very sensitive sensor for determination of ultra-trace Cu(II) is proposed. Copper was determined by anodic differential pulse stripping voltammetry based on adsorption collection an encapsulated Schiff base onto multiwalled carbon nanotube paste working electrode. The variation peak current with pH several instrumental parameters such as accumulation time, potential scan rate, were optimized. Under optimized condition, relationship between copper ion concentration linear which used analytical signal. method applied to in river water, city bottled water drinking samples satisfactory results.
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