茶叶中汞的测定

Determination of Hg in Tea

应用程序控温 -湿法消解 -氢化物发生 -冷原子吸收光谱法对茶叶中的汞进行了消解、测定 ,对可能影响测定的相关因素进行了研究和探讨。回收率为 95 .0 %— 10 4 .5 % ,相对标准偏差为 3.8%。与国家标准方法对照 。

The method of detecting Hg in tea ginseng by cold AAS spectrometry was studied and discussed.The recovery was 95.0%-104.5%.The relative deviation was 3.8%.There was no obvious difference from the national standards.