塞曼效应石墨炉原子吸收法测定河水中微量铍

Determination of Beryllium in River Water by Graphite Furnace Atomic Absorption Spectrometry

以镧或钡盐涂覆石墨管，大幅度提高测定铍的灵敏度和稳定性，并用铝或钙为基体改进剂，消除干扰。方法简便、快速，回收率９２．６％～１０５．０％，ＲＳＤ＜１０．２４％。

The graphite tube such as Lanthanum coated or Barium coated have been tested for the determination of Be in water by GFAAS.The effects of different metal ions have been eliminated by adding Al (Ⅲ) or Ca (Ⅱ) as matrix modifier.The method is handy and fast.The recovery is 92 6% 105 0% and RSD is less than 10 24%.