| 自然衰减 | 催化氧化 | ||||
| t/min | Ct/ppm | Ln | t/min | Ct/ppm | Ln |
| 0 | 0.991 | — | 0 | 0.731 | — |
| 10 | 0.989 | −0.0020 | 10 | 0.515 | −0.3502 |
| 20 | 0.986 | −0.0051 | 20 | 0.388 | −0.6334 |
| 30 | 0.982 | −0.0091 | 30 | 0.292 | −0.9177 |
| 40 | 0.98 | −0.0112 | 40 | 0.226 | −1.1739 |
| 50 | 0.977 | −0.0142 | 50 | 0.173 | −1.4411 |
| 60 | 0.974 | −0.0173 | 60 | 0.132 | −1.7116 |
| 70 | 0.973 | −0.0183 | 70 | 0.094 | −2.0511 |
| 80 | 0.972 | −0.0194 | 80 | 0.075 | −2.2769 |
| 90 | 0.97 | −0.0214 | 90 | 0.058 | −2.5340 |
| 100 | 0.968 | −0.0235 | 100 | 0.044 | −2.8102 |
| 110 | 0.966 | −0.0256 | 110 | 0.034 | −3.0681 |
| 120 | 0.965 | −0.0266 | 120 | 0.02 | −3.5987 |