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A Study on the Pretreatment Methods of Determination Contents of Heavy Metals in the Marine Sediments

Jiang Jinhua et al  
The pretreatment methods of determination contents of heavy metals in the marine sediments has been studied by the examination of perpendicular design in this paper.The results indicate that the method,microwave digestion in the system of HNO3:HCl(3:1),HF and HClO4,is the best.This method has such characteristics:the treatment time is shorter,the reagent capacity is less,the result is nicety,the repeat is good,etc.
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