Table 3.
Estimated concentrations of reaction products (ng m−3) from the non-acidic photooxidation experiments (neutral seed [H+] = 54 nmol m−3 air; Lewandowski et al., 2015).
| RH 9 (%) | RH 19 (%) | RH 30 (%) | RH 39 (%) | RH 49 (%) | |
|---|---|---|---|---|---|
| GC-MS data1 | |||||
| 2-methylglyceric acid | 379 | 255 | 155 | 171 | 70 |
| 2-Methyltetrols | 811 | 384 | 371 | 257 | 157 |
| 2-Methylglyceric acid dimer | 308 | 68 | 0 | 0 | 0 |
| IEPOX-1 | 5 | 3 | 2 | 0 | 3 |
| IEPOX-2 | 37 | 21 | 23 | 12 | 19 |
| C5-Diol-1 | 9 | 6 | 3 | 0 | 0 |
|
LC-MS data2 | |||||
| m/z [M–H]− | |||||
| 197 | 0.28 | 0.22 | 0.19 | 0.37 | 0.33 |
| 199 | 3.22 | 2.46 | 3.60 | 4.66 | 4.01 |
| 211 | 0.44 | 0.20 | 0.06 | 0.09 | 0 |
| 213 | 2.21 | 1.87 | 1.52 | 1.48 | 0.83 |
| 215 | 17.80 | 12.30 | 10.20 | 9.83 | 7.24 |
| 229 | 0.70 | 0.78 | 1.11 | 1.29 | 0.83 |
| 244 | 0.35 | 0.14 | 0 | 0 | 0.08 |
| 260 | 0.49 | 0.35 | 0.32 | 0.28 | 0.18 |
| 274 | 0.08 | 0.10 | 0.08 | 0.08 | 0.07 |
1
MW as BSTFA derivative.
2
Chromatographic responses of organosulfates (104).