Table 1.
Overview of collisional rate coefficients kc, collision energies KEcm, calculated sensitivities εcalc, measured sensitivities εmeas and reaction efficiencies (eff) at dry and humid conditions.
| 51 Td | 81 Td | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry | Humid | Dry | Humid | |||||||||||
| kc [10−9 cm3/s] | KEcm [eV] | εcalc [ncps/ppbv] | εmeas [ncps/ppbv] | eff [%] | εmeas [ncps/ppbv] | eff [%] | kc [10−9 cm3/s] | KEcm [eV] | εcalc [ncps/ppbv] | εmeas [ncps/ppbv] | eff [%] | εmeas [ncps/ppbv] | eff [%] | |
| Acetone | 4.19 | 0.055 | 78.0 | 3.3 | 4.2 | 7.8 | 9.9 | 4.0 | 0.078 | 46.4 | n.d. | – | n.d. | – |
| MVK | 4.22 | 0.056 | 78.6 | 4.6 | 5.9 | 8.6 | 11.0 | 4.0 | 0.080 | 47.0 | n.d. | – | n.d. | – |
| MEK | 4.05 | 0.056 | 75.5 | 7.1 | 9.4 | 11.5 | 15.2 | 3.9 | 0.080 | 45.3 | n.d. | – | n.d. | – |
| α-Pinene | 2.44 | 0.057 | 45.5 | 14.5 | 31.9 | 8.6 | 19.0 | 2.4 | 0.084 | 28.6 | 10.7 | 37.5 | 10.0 | 34.8 |
| β-Pinene | 2.61 | 0.057 | 48.7 | 13.3 | 27.3 | 9.1 | 18.8 | 2.6 | 0.084 | 30.2 | 8.7 | 28.8 | 9.5 | 31.3 |
| Camphene | 2.48 | 0.057 | 46.2 | 15.6 | 33.6 | 11.0 | 23.8 | 2.5 | 0.084 | 29.0 | 10.0 | 34.5 | 9.7 | 33.6 |
| 3-Carene | 2.52 | 0.057 | 46.9 | 15.3 | 32.6 | 7.8 | 16.6 | 2.5 | 0.084 | 29.5 | 10.6 | 35.9 | 9.0 | 30.5 |
| Limonene | 2.56 | 0.057 | 47.6 | 9.6 | 20.2 | 5.9 | 12.3 | 2.5 | 0.084 | 29.8 | 5.1 | 17.1 | 5.3 | 17.9 |
| Myrcene | 2.68 | 0.057 | 49.8 | 10.6 | 21.3 | 5.8 | 11.6 | 2.7 | 0.084 | 31.2 | 8.9 | 28.5 | 7.6 | 24.4 |
| Ocimene | 3.70 | 0.057 | 68.8 | 12.6 | 18.4 | 4.8 | 7.0 | 3.5 | 0.084 | 41.4 | 12.4 | 29.8 | 6.0 | 14.5 |
| Sabinene | 2.76 | 0.057 | 51.5 | 16.3 | 31.7 | 13.2 | 25.6 | 2.6 | 0.084 | 30.7 | 12.5 | 40.5 | 13.0 | 41.2 |
n.d. means not detected. The estimated errors of measured sensitivities are <8%.