北京地区几种典型土壤吸附Zn的研究

Study on Characterization of Adsorption of Zine onto five types or soil in Beijing Area

对北京地区５种不同土壤吸附Ｚｎ的研究证明，该５种土壤对Ｚｎ的吸附均符合Ｆｒｅｕｎｄｌｉｃｈ吸附等温线，其吸附量与土壤ＰＨ、有机质和ＣａＣＯ。的含量等土壤基本性质呈正相关．所研究的５种土壤均属于相上类，其中有机质含量低的褐土性土和水稻上对Ｚｎ的吸附量最低．

The results Of study on adsorption of zine onto five types of soil in Beijing area showed that the capacity of five types of soil adsorbing zine presents POSitive correlation with PH volue of the soil solution, contents of organism and CaCO3 etc in soil.The adsorption data could be fitted to the Freundlich-type equation.