The data of the BSM adsorption by soils and oxides were discribed with the Langmuir Freundlich terkim equations. Compared with these equations, the Freundlich isotherm equation was the optional one.

• 用Langmuir、Freunlich、Terkim等方程对供试样品吸附BSM的数据进行了拟合,发现供试样品吸附苄嘧磺隆的等温曲线较好地符合Freundlich方程。