This standard study establishes the anodic stripping voltammetry method for the rapid determination of cadmium and lead in food (rice, brown rice, wheat, corn, soybeans, milk powder). After the sample is extracted, the sample is detected by anodic stripping voltammetry to obtain the metal ion current response value, and the content is identified based on the matrix standard curve prepared in advance in the instrument. Using extraction reagents for pre-treatment does not require complete digestion of the sample. The processing is simple and fast, has strong applicability, and does not require strong acid or alkali. It can be detected with a portable heavy metal detector. The time is short, the operation is simple, and the accuracy meets the requirements. It can be used as a field or laboratory Detection methods for rapid screening of cadmium and lead in foods.
T/KJFX 003-2021 history
2021T/KJFX 003-2021 Rapid determination of cadmium and lead in cereals and milk powder by anodic stripping voltammetry