摘要
利用合成的巯基含量为2.2～2.5%的高巯基粉状巯基棉,对水中超痕量汞进行富集测定。流速可达100mL·min^(-1),检出限为0.5×10^(-12),加标回收率为90～104%。
The ultratrace amount of mercury in water can be enriched with a factor of 10~3 by usingnew synthesized powdered mercaptocotton, and then determined with cold-vapor atomic fluorescencespectrometry. The flow rate is 100 mL. min^(-1) for water sample with a recovery of 90～104% andthe detection limit as 0.5×10^(-12) can be reached. The present method has advantage of highperformance and rapidly, as well as simplicity.
关键词
汞
富集
测定
水
Mercury
Enrichment and determination
