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研究了在模拟地下水介质中,混凝土对碘的吸附(解吸)规律和吸附等温线。实验表明,在30±2℃、c_I=10~(-6)mol/l、pH=9.01条件下的分配比R_(D_a)=3.16±0.32ml/g。还对酸度、固液比、固体比表面和还原剂Fe、(NH_2)_2存在时对R_D值的影响进行了研究。
The law of adsorption (desorption) and adsorption isotherm of concrete in simulated groundwater medium were studied. The experimental results showed that the distribution ratio R_ (D_a) was 3.16 ± 0.32ml / g under the conditions of 30 ± 2 ℃, c_I = 10 ~ (-6) mol / l and pH = 9.01. The effect of acidity, solid-liquid ratio, specific surface area of solid and reducing agent Fe, (NH_2) _2 on the R_D value was also studied.