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采用火焰原子吸收法测定了氯化格中锂、钠、钾、铷的含量，测定灵敏度高，回收率９５％～１０６％，相对偏差低于 ７．８％．方法简便快捷．
The content of lithium, sodium, potassium and rubidium in the grid was determined by flame atomic absorption spectrometry. The detection sensitivity was high, the recovery was 95% -106% and the relative deviation was less than 7.8%. The method is quick and easy