The adsorption percentage ratios of adsorptions and partitioning coefficients for trace metals in the Changjiang Estuary decease significantly with higher concentrations of elements.

• 固-液悬浮体系中微量金属浓度的提高不仅显著降低了微量金属在泥沙固相中的分配百分率，同时亦降低了微量金属在固-液两相之间的分配系数。