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- Title
A Simple Fabrication Method of Chloride Sensor Based on Hot-Dipped Ag/AgCl@PVC for Water Quality Monitoring.
- Authors
Kim, Gyong Il; Kim, Gum Chol; Choe, Chol Man; Yu, Song Chol; Kim, Hyon Chol
- Abstract
A new and simple fabrication method of the highly sensitive Ag/AgCl chloride sensor for the real-time monitoring of the water quality was reported. The working electrode was prepared by hot-dipping with AgCl+Ag2S melt after the electrochlorization of Ag wire. The potentiometric response to chloride in environmental sample was systematically studied. The results show a good linear relationship between the potential of the sensor and the logarithm of chloride concentration (from 5*10−4 mol·L−1 to 1 mol·L−1). The maximum deviation from the mean open circuit potential of 9 sensors in the same sample was very low as 3 mV. The developed sensor has a good long-time ability in different abrasive fluids such as tap water, irrigation water and sea water due to the high mechanical and chemical robustness of the electrode surface. The small differences in lifetime in different samples are attributed to the change of abradability and chloride level of samples. Using these sensors, a Cl− monitoring system for the local saline area can be easily constructed. And this system will be a valuable tool in the fields of hydrology, agriculture and environmental science.
- Subjects
SEAWATER; CHLORIDES; DETECTORS; IRRIGATION water; WATER quality monitoring; DRINKING water
- Publication
Water, Air & Soil Pollution, 2023, Vol 234, Issue 9, p1
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-023-06630-z