Research on distribution features of heavy metals in the bottom sediments of Bulao river in Xuzhou City

There are six samples to be sampled as the research subjects of the Bulao river. The contents and fractions of heavy metals is determined by ICP-MS and the results showed the concentration of heavy metals' residual form is very high. and Total organic carbon is analysed by liquitoc analyse appliance. The results showed that the relations between TOC and acid extractable form is good.