原子吸收光谱法测定污水处理后污泥中的Hg、As、Pb、Cd和Cr

Determination of Mercury,Arsenic,Lead,Cadmium and Chromium in Muddy Soil After Sewage Treatment by AAS

采用火焰原子吸收光谱法测定了污水处理后污泥中的重金属离子,测定结果(mg/kg)为:Hg 0.91、As 2.71、Pb 2.99、Cd 0.52、Cr 647.8。相对标准偏差分别为:1.8%、2.0%、1.6%、1.1%、0.9%。

The heavy metal ions in muddy soil after sewage treatment were determined by atomic absorption spectrometry.The results were Hg of 0.91mg/kg,As of 2.71mg/kg,Pb of 2.99mg/kg, Cd of 0.52mg/kg,Cr of 647.8mg/kg.The RSDs were 1.8%,2.0%,1.6%,1.1%,0.9%, respectively.