火焰原子吸收光谱法连续测定茶叶中的钙镁

Continuous Determination of Ca and Mg in Tea by Flame Atmic Absorption Spectrophotometry

本文用火焰原子吸收光谱法连续测定茶叶中的钙、镁。方法简单、快速，具有良好的精密度和准确度，相对标准偏差１．８７％～２．７５％，回收率９２．５％～１０５．１％。

In this paper the Ca and Mg in tea were detected using continuous determination by FAAS.The method is simple,rapid and has good precision and accuracy.The relative standard deviation is 1 87% 2 75%.The recovery rate is 92 5% 105 1%.