实验室制备的铁、锰氧化物与自然水体生物膜中相应组分吸附铅、镉特征比较

Abstract

Abstract: Pb and Cd adsorption on amorphous Fe and Mn oxides synthesized in laboratory were measured under controlled laboratory conditions.The thermodynamic characteristics of Pb and Cd adsorption on these Fe and Mn oxides were compared to those of the oxides in natural surface coatings.For the amorphous Fe oxides formed in this study，there is no significant difference between the characteristics of Pb adsorption on these oxides and on Fe oxides in the surface coatings，while the synthetic Mn oxide could be used as the surrogates for Mn oxides in natural surface coatings to predict the adsorption of Cd well.

Key words: Fe oxide, Mn oxide, natural surface coatings, Pb, Cd, adsorption

CLC Number:

X132

FEI Shan-shan，HUA Xiu-yi，DONG De-ming，LI Yu，CHEN Xiao-jun. The Comparison of Lead and Cadmium Adsorption on Amorphous Iron and Manganese Oxides Prepared in Laboratory and on Natural Surface Coating Components[J].J4, 2005, 43(05): 702-706.

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The Comparison of Lead and Cadmium Adsorption on Amorphous Iron and Manganese Oxides Prepared in Laboratory and on Natural Surface Coating Components

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