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本文利用三辛胺(TOA)或磷酸三丁酯(TBP)为络合剂,正辛醇或煤油为稀释剂,在不同的pH值条件下,测定了氨基苯甲酸稀溶液的萃取相平衡分配系数,讨论了影响因素,提出了同时考虑络合萃取作用和物理萃取作用的平衡分配系数的表达式.
In this paper, the extraction phase equilibrium distribution of dilute solution of aminobenzoic acid was determined under the condition of different pH by using trioctylamine (TOA) or tributyl phosphate (TBP) as complexing agent, n-octanol or kerosene as diluent Coefficient, the influencing factors were discussed, and the expression of the equilibrium partition coefficient considering both complexation and physical extraction was proposed.