Comparative Study of Three Different Pretreatment Methods in the Determination of Total Mercury in Food
This article uses the fourth method"Cold Atomic Spectroscopy"in the GB 5009.17-2021 to determine the total mercury in eight standard substances,including carrots,beans,rice,celery,etc.The samples were processed using three different methods:direct injection method,rapid digestion method,and microwave digestion method.The DMA-80 mercury meter was used for measurement.The results showed that the rapid digestion method was the most accurate,and the detection results of the 8 standard substances were all within the indicated value range.
total mercurydirect injection methodrapid digestion methodmicrowave digestion method
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