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对于Guggenheim方程式:中的特殊作用系数B,把它作为浓度的函数(记为B·),则当浓度不太高时(I恒定),对于具有共同离子的同一类型电解质,其中同一族离子间的与离子半径r有简单线性关系:其中△B·=B’-B标准,α和b是常数。上式的进一步推论证实,对具有共同离子的同类型混合电解质溶液NX-MX-H_2O中的所谓Harned系数α_12与离子半径rM也有类似的线性关系。应用本文方法得到了一些目前尚未得到的RbX-MX-H_2O体系的α值。
For Guggenheim equation: the special function B, as a function of concentration (denoted as B ·), then when the concentration is not too high (I constant), for the same type of electrolyte with common ions, in which the same family of ions And the ionic radius r has a simple linear relationship: where △ B · = B’-B standard, α and b are constant. A further inference of the above equation confirms that there is a similar linear relationship between the so-called Harned coefficient α_12 and the ionic radius rM in NX-MX-H 2 O with the same type of mixed electrolyte with common ions. Some α-values of RbX-MX-H_2O system that have not been obtained yet are obtained by this method.