京杭大运河(苏北段)底泥中汞的总量与形态的分布研究

The distribution of total mercury and speciation of Northern Section in Jiangsu Province of the Beijing-Hangzhou Grand Canal

对京杭大运河（徐州段）底泥中的18个样品进行研究,分别用冷原子荧光仪和总有机碳测定仪测定,对底泥中的汞的总量和形态进行测定。结果表明,汞在底泥中的含量主要以残渣态存在,可交换态很少,占总含量的0.04%-1.839%,总有机碳的含量与汞的总量分布没有相关性。

There are 18 samples to be collected as the research subjects of the Beijing - Hangzhou Grand Canal. Cold Atomic Fluorophotometry is employed to analyse the contents of Hg and Total organic carbon are analysed by liquitoc analyse appliance The result shows that the residual was the main the speciation, exchangeable speciation was very small about 0.04% - 1.839%, at different locations mercury has different amount and different speciation., Which couldn＇t be affected by TOC.