| lead contamination and its potential sources in vegetables and soils of fujian, china. | lead (pb) contents and partition in soils collected from eleven vegetable-growing lands in fujian province, china, were investigated using a modification of the bcr (community bureau of reference) sequential extraction procedure coupled with the pb isotope ratio technique. pb contents in chinese white cabbage (b. chinensis l.) grown on the lands for this study were also measured. results showed that pb concentrations in fifty samples of topsoil ranged from 456 to 21.5 mg kg(-1), with each mean c ... | 2011 | 21541794 |