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本文应用简化的Pitzer公式,计算了CoSO_4-H_2SO_4水相体系各单个离子的活度系数;并应用经分子间作用力修正的Scatchard-Hildebrand模型计算了2-乙基已基膦酸单(2-乙基已基)酯—硫酸钻萃取体系中有机相各组分的活度系数。
In this paper, the simplified Pitzer formula was used to calculate the activity coefficients of each single ion in the CoSO_4-H_2SO_4 aqueous system. The Scatchard-Hildebrand model was used to calculate the activity of 2-ethylhexyl phosphonic acid mono (2- Ethylhexyl) ester - sulfuric acid extraction system in the organic phase activity coefficient of each component.