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在薄层色谱pH法中 ,利用固定相的 pH值与待测组分Rf值的关系 ,导出了 pH Rf曲线方程 ,依此方程 ,计算出 3种一元有机酸的电离常数 ,所得结果与文献值基本一致〔4〕
According to the relationship between the pH value of stationary phase and the Rf value of the component to be measured, the equation of pH Rf was deduced in the thin layer chromatographic pH method. Based on this equation, the ionization constants of the three kinds of monobasic organic acids were calculated. Basically the same value 〔4〕