The BCR sequential extraction proce dure is applied to the speciation of heavy metals(Cu,Fe,Mn,Ni,Pb and Zn)in lake sediments of Core MS in Lake Taihu,and the error analysis of BCR method is also performed.

• 采用BCR三步提取法对太湖MS岩芯沉积物中Cu、Fe、Mn、Ni、Pb和Zn等6种重金属元素的化学形态进行了研究。