In-situ spectroscopic observations of surface speciation of anions in water-oxides interfaces

利用表面络合模型和原位光谱观测研究了环境参数对阴离子表面形态的影响。研究表明，碘离子以外层络合物的形式吸附在氧化物表面。碘酸盐在氧化物表面上具有内球和外球复合物。硫酸根以内球络合物的形式吸附在水铁矿上。

Surface speciation of anionic species as function of environmental parameters were invesgitated by using surface complexation modeling and in-situ spectroscopic observations. This study showed that iodide adsorbs to oxide surfaces as outer-sphere complex. Iodate takes both inner- and outer-sphere complexes on oxide surfaces. Sulfate adsorbs to ferrihydrite as inner-sphere complex.