The samples of aquaculture ponds sediments were treated by graphite digestion,then find the op-timal conditions for treating and analyzing samples.The simultaneous determination of As and Hg in aquaculture ponds sediments by atomic fluorescence spectrometry was studied.The accuracy and precision of the method was confirmed by parallel determination and standard additions.The relative standard deviation of As and Hg was 3.580%,3.390%and 7.780%,8.410%respectively.The standard addition recovery rate was 90.9%～106.3%and 88.7%～109.7%respectively.The results proved this method is suit to the simultaneous determination of As and Hg in large-scale aquaculture ponds sediments.
维普
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