In the experimental research we examined the influence of the pH and concentration of Arsenic on the adsorption quantity and the change of Zeta potential of hydrous iron and aluminum before and after the arsenate adsorption. 试验考察了pH、As(V)的浓度对吸附量(Γ)的影响以及它们吸附As(V)前后表面ζ-电位的变化。