The common methods for determining mercury in drinking water in the laboratory are dithizone spectrophotometry and cold atomic absorption method [1]. In the past, we used the dithizone colorimetric method. ; Refer to the relevant literature [2] [3], we use atomic fluorescence photometer, using atomic fluorescence method, to discuss the method of determination of trace mercury in drinking water, the experiment believes: the use of XDY-2A atomic fluorescence photometer The mercury content has the advantages of simple and fast operation, less sampling volume, less matrix interference, and high sensitivity. The detection limit of mercury is 0.03ng? Ml, which is suitable for large-scale sample analysis. The results reported below:
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