表 2.
22种防晒剂的保留时间、线性范围、线性方程、相关系数、检出限及定量限
| Analyte | tR/min | Linear range/(mg/L) | Linear equation | r | LOD/(mg/kg) | LOQ/(mg/kg) |
|---|---|---|---|---|---|---|
| PBS | 3.86 | 0.96-47.98 | Y=0.7549X+0.2661 | 0.9994 | 1.0 | 3.4 |
| TDS | 5.64 | 4.27-213.3 | Y=0.0337X+0.0549 | 0.9993 | 21 | 70 |
| BZ4 | 6.12 | 1.55-77.50 | Y=0.3277X+0.2211 | 0.9995 | 2.4 | 8.0 |
| CBM | 7.36 | 0.91-45.53 | Y=0.2168X+0.0770 | 0.9995 | 3.6 | 12 |
| BZ2 | 7.78 | 2.53-126.5 | Y=0.4771X+0.5320 | 0.9995 | 1.6 | 5.5 |
| BCS | 8.19 | 0.98-48.91 | Y=0.5801X+0.2979 | 0.9996 | 1.3 | 4.2 |
| BZ3 | 11.89 | 1.80-89.98 | Y=0.4263X+0.3475 | 0.9996 | 1.9 | 6.3 |
| 3BC | 14.60 | 0.87-43.75 | Y=0.5434X+0.2126 | 0.9995 | 1.2 | 4.1 |
| IMC | 15.00 | 0.82-41.07 | Y=0.9944X+0.3719 | 0.9995 | 0.7 | 2.4 |
| MBC | 16.47 | 1.11-55.59 | Y=0.8400X+0.4407 | 0.9995 | 1.1 | 3.8 |
| DHHB | 18.03 | 2.06-102.9 | Y=0.1141X+0.1106 | 0.9995 | 34 | 113 |
| OCR | 20.56 | 1.57-78.48 | Y=0.3516X+0.2509 | 0.9995 | 13 | 43 |
| BDM | 21.13 | 2.48-124.0 | Y=0.2109X+0.1761 | 0.9995 | 27 | 90 |
| EDP | 21.75 | 1.48-74.00 | Y=1.0190X+0.7038 | 0.9995 | 5.0 | 17 |
| EMC | 23.37 | 0.94-46.96 | Y=0.8941X+0.4590 | 0.9995 | 6.0 | 20 |
| ES | 25.32 | 2.48-123.9 | Y=0.1669X+0.1235 | 0.9995 | 37 | 125 |
| HS | 26.51 | 2.34-116.8 | Y=0.1518X+0.1988 | 0.9996 | 64 | 215 |
| DBT | 29.81 | 0.96-48.24 | Y=1.4604X+0.6628 | 0.9995 | 2.9 | 9.7 |
| ET | 31.30 | 0.96-48.25 | Y=1.6249X+0.5020 | 0.9992 | 2.7 | 8.9 |
| DRT | 31.61 | 1.85-92.51 | Y=0.1754X+0.1493 | 0.9995 | 27 | 91 |
| MBP | 33.02 | 1.60-80.03 | Y=0.5108X+0.3496 | 0.9995 | 2.0 | 6.6 |
| EMT | 33.64 | 0.69-34.56 | Y=1.1356X+0.0976 | 0.9985 | 0.9 | 3.2 |
Y: peak area; X: mass concentration, mg/L.