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本文考察了冲洗剂中强组分浓度、无机盐浓度和酸度对保留值的影响,结果表明在溶质的 lnk 与 C_b 间线性关系中不能包括 C_b=0时的实验点。同时还观察到线性回归的 a 值与C_b=0时实测的 lnk′值存在较好的线性关系,酸度对 k′值的影响较复杂;溶质的保留值随无机盐浓度的增加而增大。
In this paper, the influence of the concentrations of strong components, inorganic salts and acidity on retention was investigated. The results show that the experimental points at C_b = 0 can not be included in the linear relationship between lnk and C_b. At the same time, it is also observed that the linear regression has a good linear relationship with the measured lnk ’at C_b = 0. The effect of acidity on the k’ value is complicated. The retention of solute increases with the increase of inorganic salt concentration.