As the popularity of herbal medicines grows worldwide,the safety of Chinese herbal medicine has attracted special attention.For the last few years,the issue of heavy metal ion pollution has worsened as a result of the increase in human production activities,and Chinese herbal medicine is easily contaminated by heavy metal ions in the environment,which may cause a series of health problems after human consumption of contaminated herbal medicine.Therefore,the detection and prevention of heavy metal ion pollution in herbal medicine is urgent.In this paper,CoMoSx nanomaterials were synthesized by a hydrothermal method,and the CoMoSx/GCE sensing interface was constructed for the electrochemical detection of Pb(Ⅱ),with a sensitivity of 71.10 μA·(μmol·L-1)-1.In addition,the CoMoSx nanomaterials showed good stability,reproducibility,and immunity to interference,and were employed as a successful method for the detection of Pb(Ⅱ)in Panax quinquefolium.
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