表3.
40种染发剂的回归方程、线性范围、相关系数、检出限、定量限和加标回收率(n=3)
| No. | Regression equation |
Linear range/ (mg/L) |
r | LOD/ (μg/g) |
LOQ/ (μg/g) |
2.5 mg/g | 5.0 mg/g | 10 mg/g | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Recovery/% | RSD/% | Recovery/% | RSD/% | Recovery/% | RSD/% | |||||||||
| 1 | A=3.863C-13.43 | 5-500 | 0.9999 | 81 | 272 | 100.8 | 1.8 | 98.8 | 1.1 | 105.3 | 0.7 | |||
| 2 | A=9.655C-42.96 | 5-500 | 0.9999 | 50 | 167 | 98.7 | 0.8 | 101.2 | 0.6 | 99.6 | 0.3 | |||
| 3 | A=7.604C-3.328 | 5-500 | 0.9999 | 50 | 167 | 109.6 | 2.6 | 105.2 | 0.8 | 102.4 | 0.6 | |||
| 4 | A=22.08C+8.847 | 5-500 | 0.9999 | 50 | 168 | 101.8 | 0.6 | 103.5 | 0.5 | 100.5 | 0.9 | |||
| 5 | A=8.821C-9.130 | 5-500 | 0.9999 | 48 | 160 | 103.5 | 1.8 | 98.6 | 0.8 | 105.1 | 0.7 | |||
| 6 | A=16.24C+13.34 | 5-500 | 0.9999 | 25 | 84 | 95.5 | 3.6 | 94.2 | 1.0 | 93.8 | 1.4 | |||
| 7 | A=17.30C+1.879 | 5-500 | 0.9999 | 25 | 84 | 102.6 | 3.1 | 99.8 | 0.5 | 97.8 | 0.8 | |||
| 8 | A=21.40C+45.94 | 5-500 | 0.9999 | 10 | 33 | 103.0 | 2.3 | 102.3 | 0.4 | 100.1 | 0.9 | |||
| 9 | A=4.581C+5.838 | 5-500 | 0.9999 | 50 | 167 | 98.3 | 0.5 | 101.0 | 0.9 | 99.2 | 0.4 | |||
| 10 | A=9.828C+11.59 | 5-500 | 0.9999 | 25 | 83 | 100.7 | 1.5 | 101.8 | 0.4 | 98.6 | 0.9 | |||
| 11 | A=9.842C+2.185 | 5-500 | 0.9999 | 25 | 83 | 98.7 | 0.9 | 99.9 | 0.6 | 98.5 | 0.9 | |||
| 12 | A=17.08C+17.03 | 5-500 | 0.9999 | 10 | 34 | 105.1 | 3.9 | 99.4 | 0.6 | 97.4 | 0.9 | |||
| 13 | A=12.66C+10.48 | 5-500 | 0.9998 | 25 | 84 | 101.9 | 1.0 | 87.0 | 2.0 | 86.5 | 1.9 | |||
| 14 | A=16.16C+5.680 | 5-500 | 0.9999 | 10 | 33 | 106.0 | 2.3 | 100.0 | 0.5 | 98.8 | 0.8 | |||
| 15 | A=4.156C-0.3880 | 5-500 | 0.9998 | 50 | 166 | 102.6 | 2.6 | 94.8 | 1.8 | 92.9 | 1.3 | |||
| 16 | A=15.25C+12.51 | 5-500 | 0.9999 | 25 | 83 | 102.9 | 3.6 | 98.2 | 1.1 | 95.6 | 1.0 | |||
| 17 | A=8.834C+6.080 | 5-500 | 0.9999 | 50 | 168 | 98.8 | 0.4 | 100.1 | 0.5 | 97.8 | 1.2 | |||
| 18 | A=4.890C+0.5869 | 10-500 | 0.9999 | 168 | 504 | 100.5 | 0.8 | 103.6 | 1.7 | 101.7 | 1.2 | |||
| 19 | A=4.119C+6.583 | 5-500 | 0.9999 | 84 | 279 | 95.4 | 2.3 | 92.6 | 2.4 | 90.4 | 1.5 | |||
| 20 | A=15.97C-5.058 | 5-500 | 0.9999 | 50 | 165 | 101.6 | 3.5 | 96.5 | 1.0 | 93.3 | 0.8 | |||
| 21 | A=9.363C+7.574 | 5-500 | 0.9999 | 25 | 84 | 102.1 | 4.0 | 97.4 | 1.4 | 95.7 | 1.1 | |||
| 22 | A=15.52C+13.09 | 5-500 | 0.9999 | 25 | 83 | 104.3 | 1.9 | 98.0 | 1.2 | 96.1 | 0.5 | |||
| 23 | A=13.42C+18.91 | 5-500 | 0.9999 | 25 | 82 | 93.5 | 1.1 | 88.9 | 3.2 | 101.8 | 0.2 | |||
| 24 | A=29.03C+33.56 | 5-500 | 0.9999 | 10 | 34 | 96.3 | 2.1 | 104.2 | 1.0 | 105.9 | 0.6 | |||
| 25 | A=13.36C+21.38 | 5-500 | 0.9999 | 25 | 84 | 96.4 | 3.5 | 95.8 | 1.4 | 93.8 | 1.2 | |||
| 26 | A=27.47C+32.53 | 5-250 | 0.9999 | 5 | 17 | 97.6 | 1.0 | 102.3 | 0.4 | 99.5 | 0.9 | |||
| 27 | A=27.26C+36.18 | 5-500 | 0.9999 | 10 | 33 | 96.3 | 0.3 | 93.0 | 2.8 | 89.9 | 2.2 | |||
| 28 | A=13.43C+11.58 | 5-500 | 0.9999 | 25 | 83 | 95.6 | 0.4 | 98.2 | 0.8 | 96.1 | 1.0 | |||
| 29 | A=15.09C+16.83 | 5-500 | 0.9999 | 50 | 165 | 99.0 | 1.9 | 99.7 | 0.9 | 93.3 | 0.5 | |||
| 30 | A=7.479C+10.23 | 5-500 | 0.9999 | 50 | 166 | 94.5 | 1.6 | 95.9 | 1.8 | 101.2 | 0.7 | |||
| 31 | A=8.930C+11.22 | 5-500 | 0.9999 | 50 | 166 | 100.2 | 1.8 | 103.2 | 1.9 | 106.2 | 1.0 | |||
| 32 | A=13.91C+18.68 | 5-500 | 0.9999 | 50 | 165 | 92.6 | 0.4 | 92.5 | 0.3 | 96.5 | 0.5 | |||
| 33 | A=25.45C+40.23 | 5-500 | 0.9999 | 10 | 34 | 95.0 | 0.2 | 97.1 | 0.9 | 100.9 | 0.3 | |||
| 34 | A=7.039C+4.692 | 5-500 | 0.9999 | 25 | 84 | 94.9 | 1.1 | 100.0 | 0.7 | 99.5 | 0.6 | |||
| 35 | A=5.679C+6.342 | 5-500 | 0.9999 | 25 | 83 | 90.4 | 0.9 | 91.7 | 1.1 | 92.9 | 1.4 | |||
| 36 | A=6.771C+7.516 | 5-500 | 0.9999 | 10 | 34 | 96.0 | 0.8 | 97.8 | 1.0 | 102.5 | 2.4 | |||
| 37 | A=2.318C+0.4190 | 5-500 | 0.9999 | 25 | 82 | 91.5 | 0.8 | 92.4 | 1.7 | 94.9 | 1.1 | |||
| 38 | A=6.514C+8.196 | 5-500 | 0.9999 | 5 | 17 | 90.0 | 0.5 | 91.0 | 1.0 | 94.9 | 2.0 | |||
| 39 | A=23.44C+43.40 | 5-250 | 0.9998 | 5 | 16 | 89.8 | 3.2 | 90.8 | 2.1 | 94.0 | 1.8 | |||
| 40 | A=7.160C+1.060 | 5-500 | 0.9999 | 5 | 17 | 81.4 | 1.8 | 87.4 | 2.2 | 88.8 | 2.1 | |||
Nos. 1-40 were the same as that in Table 1. A: peak area; C: mass concentration, mg/L.