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《Geology of Anhui》 2018-02
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COMBINED MEASUREMENT OF ARSENIC AND MERCURY IN FARMLAND SOIL POLLUTANTS

SHI Tian-ping;Institute of Geo-analysis of Anhui Province;  
Use a 25 ml colorimetric tube as dissolver, and aqua regia for resolving mineral in water bath. Put metered clear liquid in a 50 ml beaker, to which then add 1:1 thiourea and ascorbic acid solid reducing agent. Test the treated solution directly by double channel atomic fluorometer. The results were consistent with the standard values measured on standard reference material, and the precision(RSD,n=10) was less than 2%.
【CateGory Index】: O657.3;X833
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