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- W2998973675 abstract "This paper demonstrates a portable electrochemical sensor system for the detection of copper ions (Cu <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2+</sup> ) in water samples. The hardware of the sensor is based on a customized electrochemical electrode and a miniaturized detecting circuit module. An application (APP) running on an Android PAD is developed to functionalize the hardware into a sensor system. The electrochemical electrode is configured with a gold disk working-electrode (WE), a platinum disk counter-electrode (CE) and a commercial Ag/AgCl reference electrode (RE). The detecting circuit module use an ARM chip to realize the key operations, such as precise control of multichannel potentiostat and weak current detection, in electrochemical detection based on anodic stripping voltammetric method. The APP is used to manage the Bluetooth wireless communication between the sensor and the Android PAD, and implement data management and graphic display of the detecting results. The developed sensor system was verified with standard copper salt samples. The testing result shows that it performes high sensitivity (0.0075 μA/μgL <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>-1</sup> ) to Cu <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2+</sup> within the concentrations ranging from 0 μg/L to 400 μg/L by the square wave voltammetry (SWV). The standard substance tests also exhibit a good precision of the sensor system for simultaneous determination of Cu <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2+</sup> and Pd <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2+</sup> , which indicates it can also be used to implement multi-parameters detection in water quality monitoring." @default.
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- W2998973675 date "2019-10-01" @default.
- W2998973675 modified "2023-10-13" @default.
- W2998973675 title "A Portable Sensor System for Determination of Copper Ions in Waters with Android Device" @default.
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- W2998973675 doi "https://doi.org/10.1109/sensors43011.2019.8956804" @default.
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