Development of boron doped diamond sensor for heavy metal detection in water

The serious harm of heavy metal pollution in waters and the uncertainty of pollution sources have drawn an increasing concern. Online monitoring of heavy metal ions in water environments is a preferred measure to prevent the heavy metal pollution. Unfortunately, the mercury film electrode commonly used in available system cannot meet the field requirements of green and efficient detection. Based on the theory of ASV (anodic stripping voltammetry), a BDD (boron doped diamond) sensor was prepared to replace the mercury sensor, and the electrochemical response characters of the synthetic sensor to heavy metal ions were discussed. In cooperation with a professional water detector company, the developed sensor was installed on a commercial rapid detector to conduct its field tests in actual waters, so as to offer theoretical guidance and data support for heavy metal detection in waters.