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The monitoring experimental item "determination of mercury in human hair" is the important item in environmental monitoring course. Due to the disadvantages of reagent purity and digestion method recommended by reference book widely used, there has been poor accuracy in determining hair mercury contents in environmental monitoring experiments. By improving the digestion of hair samples in this study, accurate mercury contents of hair samples could be obtained. New standard for assessing health risk of mercury is introduced. Database of hair mercury contents and affecting factors is constructed on the base of parameters from questionnaire. Thus the monitoring experiment of hair mercury is changed from a simple determining test to a comprehensive experiment item, integrating sampling, accurate determination, subsequent scientific evaluation and statistical analysis.

Construction and Applications of Database for Hair Mercury Contents of College Students Innovation to an Environmental Monitoring Experiment