Application of Energy Dispersive X-ray Fluorescence Analysis in the detection of heavy metal element content

Abstract

The method of food safety testing is usually to use different testing methods to determine the various elements contained in the food to obtain whether its content meets human health standards compared with international standards. At the same time, it can be judged its origin by the content of elements detected in the food, and analyze the impact of environment pollution on its growth. Commonly used methods for detecting heavy metals in food include ICP-AES/MS, flame atomic absorption method, graphite furnace atomic absorption spectrometry and so on. The introduction of physical rapid detection methods into the field of food safety detection can greatly reduce the time required for food detection. Among them, EDXRF is a non-destructive analysis method, which can simplify the analysis process while achieving detection accuracy, and does not require chemical steps to make it more than traditional detection methods. For the purpose of environmental protection, so this article will use EDXRF to detect the content of K and other trace elements in the sample.