Research on Detection Technology of Metal Cadmium and Copper in Soil Based on Atomic Absorption Method
In order to address the shortcomings of traditional wet digestion measurement of metal cadmium and copper in soil,such as long measurement cycle and poor consistency,a new rapid measurement technology for metal cadmium and copper in soil based on atomic absorption method is proposed.This technology first uses rapid digestion method to digest the soil,and then uses atomic absorption method to determine the content of metal cadmium and copper in the soil.Practical applications have shown that the new testing technology has a measurement deviation of less than 1.89%for metallic cadmium and less than 1.6%for metallic copper.The testing time of the new testing technology is reduced by 56.25%compared to wet digestion testing,achieving rapid and accurate determination of metallic cadmium and copper elements in soil.
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