Heavy metal Cadmium (Cd) will continuously pollute the atmosphere, soil and various water environments through material circulation, and even pose a threat to human safety. It has been designated as a first-class pollutant in sewage by China, therefore there is an urgent need to find new, more effective, and low-cost method to accurately detect Cadmium ion (Cd) concentration. We experimentally prepared a new Cd sensor based on NiS₂ nanomaterials capable of measuring Cd concentration. The corresponding relationship between over potential of NiS₂ nanomaterials in H₂SO₄ electrolyte solutions with different Cd concentration and reduction peak with change of Cd concentration was obtained by electrochemical method.
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| http://dx.doi.org/10.1166/jnn.2021.19068 | DOI Listing |
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