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对非同族化合物溶质在两种固定相上保留值的关系进行了理论推导，并将该方程应用于89种常见固定相的极性和选择性的评价．固定相的极性可用B值来评价，而选择性则用B、C3、C3值来评价．用该方程评价固定相具有两个优点，一是基于分子间作用力来评价固定相；二是探针化合物的选择不再受限制．
The relationship between the retention of non-congener solutes on the two stationary phases was theoretically deduced, and the equation was applied to the polarity and selectivity of 89 common stationary phases. The polarity of the stationary phase can be evaluated by the value of B, and the selectivity by the values of B, C3 and C3. The use of this equation to evaluate the stationary phase has two advantages. One is to evaluate the stationary phase based on intermolecular forces and the second is to no longer limit the choice of probe compound.