巯基棉分离富集-FAAS法测定海水中的痕量镉

Determination of Trace Cadmium in the Sea Water with Sulphydryl Cotton by FAAS

借助巯基棉分离富集技术 ,以火焰原子吸收光谱法测定海水中的痕量镉。该方法的回收率为94 .0 %— 97.0 % ,相对标准偏差为 4 .9%。结果表明 ,该方法简单易行 。

The trace Cd in the sea water was determined by FAAS after separating and enriching with sulphydryl cotton.The recovery is 94.0%—97.0% with RSD of 4.9%.The method is simple,accurate and precise.