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本文用放射性磷32标记法测定了二(2-乙基已基)磷酸在碱金属氯化物溶液中的盐效应常数。并对定标粒子理论进行了改进,较全面地考察了溶液中粒子间的各种相互作用,导出了新的盐效应公式。由本文可看出不同的离子半径值对计算结果有较大的影响。本文也提出了一个用非电解质的堆积因子来估算硬球直径的方法,由此值得出的计算结果与实验值符合得较好。
In this paper, the salt effect constant of di (2-ethylhexyl) phosphoric acid in alkali metal chloride solution was determined by radioactive phosphorus 32 labeling method. And the calibration particle theory is improved, more comprehensive examination of the various interactions between the particles in the solution, derived a new salt effect formula. It can be seen from this paper that different ion radius values have great influence on the calculation results. This paper also presents a method of estimating the hard-sphere diameter by using the non-electrolyte packing factor. The calculated results agree well with the experimental values.