微波消解-冷原子吸收光谱法测定食品中汞的讨论

Study on Determination of Total Mercury in Food by Microwave Digestion and Cold Vapor Generation-Atomic Absorption Spectrometry

采用微波消解技术处理食物样品、冷原子吸收光谱法测定样品中汞的含量,对样品前处理过程中氧化剂浸泡过程和氮氧化物处理进行讨论,确定了最佳实验方法。用确定的方法对各类样品进行检测,回收率达到94%—108%。

Total mercury in food was determined by cold vapor generation-atomic absorption spectrometry with microwave digestion. The experimental conditions were optimized. The recovery is 94%-108%.