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Table 1 Molecular ions, major fragment ions and optimized MRM parameters for targets and internal standard

From: Direct analysis of volatile components from intact jujube by carbon fiber ionization mass spectrometry

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