表2.
20种尿酚的线性范围、回归方程及相关系数
| Compound | Linear range/（ng/mL） | Regression equation | r 2 |
|---|---|---|---|
| MeP | 0.5-100 | Y=-0.00001+0.07106X | 0.9992 |
| EtP | 0.5-100 | Y=0.02151X | 0.9991 |
| PrP | 0.5-100 | Y=-0.00002+0.02935X | 0.9975 |
| BuP | 0.5-100 | Y=-0.00003+0.03704X | 0.9924 |
| BzP | 0.5-100 | Y=0.23230X | 0.9919 |
| HeP | 0.5-100 | Y=0.1130+0.3901X | 0.9911 |
| BPA | 0.5-100 | Y=0.000003+0.009441X | 0.9987 |
| BPAF | 0.5-100 | Y=0.9156X | 0.9995 |
| BPAP | 0.5-100 | Y=0.1639X | 0.9989 |
| BPB | 0.5-100 | Y=0.01625X | 0.9989 |
| BPF | 1.0-100 | Y=0.000038+0.000256X | 0.9988 |
| BPP | 0.5-100 | Y=-0.00002+0.01452X | 0.9943 |
| BPS | 0.5-100 | Y=0.4319X | 0.9985 |
| BPZ | 0.5-100 | Y=0.00004+0.03775X | 0.9997 |
| BP-1 | 0.5-100 | Y=0.1073+0.3812X | 0.9994 |
| BP-2 | 0.5-100 | Y=0.2479+0.4954X | 0.9991 |
| BP-3 | 1.0-100 | Y=-0.000105+0.003505X | 0.9985 |
| BP-8 | 0.5-100 | Y=-0.00004+0.06278X | 0.9910 |
| 4-HBP | 0.5-100 | Y=0.04842+0.07528X | 0.9994 |
| TCS | 0.5-100 | Y=-0.00005+0.02946X | 0.9990 |
Y： peak area ratios of phenols to internal standards；X： mass concentration ratios of phenols to internal standard.