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本文报道了空气－乙炔火焰原子吸收光谱法测定茶叶中钾、钠、铷的含量。茶叶采用硝酸消解，方法简单、快速。回收率为９９．９％－１０５．２％，相对标准偏差为２．７８％－８．９６％。
In this paper, air-acetylene flame atomic absorption spectrometric determination of potassium, sodium, rubidium content in tea. Tea with nitric acid digestion, the method is simple and fast. The recoveries were 99.9% -105.2% with relative standard deviations of 2.78% -8.96%.