| 内标物浓度 | 线性方程斜率K | r2 | |
| 3.0 mol/L | 0.0443 | 0.9985 | |
| 1.5 mol/L | 0.0889 | 0.9986 | |
| 1.2 mol/L | 0.1152 | 0.9989 | |
| 1.1 mol/L | 0.1254 | 0.9992 | |
| 1.0 mol/L | 0.1380 | 0.9981 | |
| 0.9 mol/L | 0.1513 | 0.9978 | |
| 0.8 mol/L | 0.1748 | 0.9961 | |
| 0.5 mol/L | 0.2429 | 0.9989 | |