The adsorption of humic acid with gallium and indium was studied. The ideal equation of adsorption isotherm about the experimental data was proposed, and the reaction mechanism was discussed.

• 对腐植酸与镓、铟的吸附作用作了实验研究，提出了拟合实验数据的理想吸附等温方程，并对作用机理予以推断。