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用沉淀法制备了 4种高价金属水合氧化物 ,采用电位滴定法分别测定了它们的质子键合等温线及零电荷点 ,在 p H=6 .0～ 7.0的条件下 ,通过静态吸附绘制了 4种水合氧化物对 F-的吸附等温线 ,并由实验分析了水合氧化物表面性质及其对 F-离子吸附的作用
Four high-valent hydrous oxides were prepared by precipitation method. Their proton bonding isotherms and zero-charge points were measured by potentiometric titration. Under the condition of p H = 6.0-7.0, Adsorption Isotherms of Fluorine Oxides by Four Hydrated Oxygenates and the Surface Properties of Hydrated Oxides and Their Effects on F- Ion Adsorption