摘　要　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%。

主题词　火焰原子吸收光谱法，　茶叶，　钙，　镁

Continuous Determination of Ca and Mg in Tea by

Flame Atmic Absorption Spectrophotometry

Ge MA and Jingyan ZHANG

Department of Applied Chemistry,Changchun College of Technology,130021　Changchun

Abstract　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%.

Keywords　Flame atomic absorption spectrophotometry,　Tea,　Calcium,　Magnesium

　　茶叶作为饮料在我国有着悠久的历史，也是世界性的三大饮料之一。它丰富而复杂的化学成分赋予了茶叶具有良好的