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4 HPLC法分析及与容量分析结果的比较
|
| |
|
| 桨叶转速/(r·min-1) | 原料油浓度/(g·L-1) | 原料油浓度的RSD/% | 萃取相浓度/(g·L-1) | 萃取相浓度的RSD/% | 萃余相浓度/(g·L-1) | 萃余相浓度的RSD/% | 回收率E/% | | 190 | 1.4537 | 1.24 | 0.1791 | 0.46 | 1.1803 | 0.94 | 97.60 | | (1.4234) | (0.35) | (0.0264) | (6.19) | (1.1267) | (1.33) | (81.60) | | 295 | 1.2691 | 1.78 | 0.6314 | 5.47 | 0.4056 | 0.86 | 98.30 | | (1.1608) | (2.14) | (0.2829) | (1.03) | (0.3744) | (2.67) | (64.70) | | 349 | 1.0985 | 2.08 | 0.6381 | 0.51 | 0.2068 | 1.80 | 96.30 | | (1.1938) | (1.57) | (0.4662) | (1.71) | (0.1872) | (2.67) | (67.80) |
|
|
|