The chelating fibers with diethanolamine group or diethylamine group present great adsorption capacity, high adsorption rate as well as good selectivity for Au3+ ion.

• 结果表明，含二乙胺基和二乙醇胺基的螯合纤维对金离子的吸附量较大，而且吸附快、对金的选择性好，还能将所吸附的金离子还原成单质金。