加入浓度 | 加入量(mg) | 测得量(mg) | 回收率(%) | 平均回收率(%) |
80% | 20 | 19.8 | 99 | 99.17 |
20 | 19.8 | 99 | ||
20 | 19.9 | 99.5 | ||
100% | 25 | 24.8 | 99.2 | 99.46 |
25 | 24.9 | 99.6 | ||
25 | 24.9 | 99.6 | ||
120% | 30 | 29.7 | 99 | 99.3 |
30 | 29.9 | 99.7 | ||
30 | 29.8 | 99.3 |