2017饮料中着色剂草根比对实验记录
时间(min) | 流速 (mL/min ) | 0.02mol/L乙酸铵溶液(% ) | 甲醇(% ) |
0 | 1.0 | 95 | 5 |
3 | 1.0 | 65 | 35 |
7 | 1.0 | 0 | 100 |
10 | 1.0 | 0 | 100 |
10.1 | 1.0 | 95 | 5 |
21 | 1.0 | 95 | 5 |
直接进样 | 直接进样 (加标20ug/ml) | 固萃进样 | 固萃进样 (加标20ug/ml) | |||||
峰面积 | 43.49 | 43.63 | 65.26 | 65.31 | 19.96 | 19.28 | 39.12 | 39.30 |
浓度(ug/mL) | 39.45 | 39.57 | 59.18 | 59.23 | 18.12 | 17.50 | 35.48 | 35.65 |
均值(ug/mL) | 39.51 | 59.20 | 17.81 | 35.56 | ||||
回收率(%) | 98.4 | 88.8 |
直接进样 | 直接进样 (加标20ug/ml) | 固萃进样 | 固萃进样 (加标20ug/ml) | |||||
峰面积 | 31.70 | 31.87 | 43.90 | 43.91 | 29.91 | 29.58 | 42.42 | 41.59 |
浓度(ug/mL) | 49.78 | 50.04 | 68.68 | 68.69 | 47.00 | 46.49 | 65.83 | 65.09 |
均值(ug/mL) | 49.91 | 68.68 | 46.74 | 65.46 | ||||
回收率% | 93.8 | 93.6 |