海产品中汞的微波消解冷原子吸收测定

Determination of mercury in sea products by cold atomic absorption method after microwave digestion

目的：采用新的消解方法测定海产品中的汞。方法：利用微波消解冷原子吸收法。结果：优化微波消解条件，标准曲线相关系数为0．999，相对标准偏差为3．6％，平均回收率85％-105％。结论：该方法准确度和精密度良好，是一种简便、快速、可行的测定海产品中汞的方法。

Objective：To use neotype digestion device to digest marine products and then determine mercury. Methods：After microwave digestion, we determine mercury in marine products by cold atomic absorption method. Results：The correlation coefficient was 0. 999, RSD was 3.6% , the average recovery rate of mercury was 85% - 105%. Conclusion：The method has good ac- curacy and precision. It＇s a fast, simple and feasible method for analyzing marine products.