水-煤油萃取实验中苯甲酸浓度不同测定方法的比较

钟亚兰,刘业硕,张思巍,王毅楷,黄驰,王晓玲

Method Comparison for Determining the Concentration of Benzoic Acid in the Experiment of Water-Kerosene Extraction

Yalan ZHONG,Yeshuo LIU,Siwei ZHANG,Yikai WANG,Chi HUANG,Xiaoling WANG

表5 两种测定方法得到的萃取率比较

桨叶转速/(r·min-1) 以油相计算的萃取率/% 以水相计算的萃取率/% 190 18.8 (20.8) 16.4 (2.5) 295 68.0 (67.7) 66.3 (32.5) 349 81.2 (84.3) 77.5 (52.1)