Table 1 Molecular ions, major fragment ions and optimized MRM parameters for targets and internal standard
Analytes | Molecular ion | Collision energy (V) | Fragment ions (m/z) | MRM ion (m/z) |
|---|---|---|---|---|
Acetic acid | 61 | 20 | 43 | 61 > 43 |
Ethyl acetate | 89 | 25 | 61, 29 | 89 > 61 |
Ethyl caproate | 145 | 15 | 117, 89, 75 | 145 > 117 |
Octyl acetate | 173 | 5 | 113, 71, 57 | 173 > 113 |
Damascone | 193 | 20 | 137, 111, 69 | 193 > 137 |
Internal standard | 123 | 25 | 45 | 123 > 45 |