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- W2990295335 abstract "Based on anodic stripping voltammetric (ASV) method, this paper demonstrated a portable sensor system for copper ions (Cu <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2+</sup> ) detection in water samples. The proposed sensor system is composed of a customized electrochemical probe, a detecting circuit module and an application (APP) running on an Android device. The electrochemical probe is based on an environment-friendly three-electrode system that 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 utilizes ARM Context-M4 platform to carry out constant potential control, weak current detection and Bluetooth wireless transmission. The Android application is used to manage the wireless communication between the hardware module and the Android device, and implement data management and graphic display of the testing results. The developed sensor system was verified with both standard copper salt reagents and real water 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 recovery tests exhibit a good precision of the sensor system for copper determination. It can also be used to detect other heavy metal ions such as lead at the same time." @default.
- W2990295335 created "2019-12-05" @default.
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- W2990295335 date "2019-04-01" @default.
- W2990295335 modified "2023-10-13" @default.
- W2990295335 title "A Portable Sensor System for Detection of Copper Ions in Water Samples" @default.
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- W2990295335 doi "https://doi.org/10.1109/nems.2019.8915637" @default.
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