Journal of Spectroscopy / 2015 / Article / Tab 3

Research Article

Analysis of 31 Hydrazones of Carbonyl Compounds by RRLC-UV and RRLC-MS(/MS): A Comparison of Methods

Table 3

Major fragments () of MS2 spectrum formed by fragmentation of the precursor [M-H] ions of the hydrazones.

Hydrazone[M-H]Fragment ions of [M-H] ()
152163179182[M-H-17][M-H-30][M-H-31][M-H-47][M-H-93][M-H-164]

Formaldehyde209xxxxxxx
Acetaldehyde223xxxxxxxxX
2,3-Butanedione265xxxxXxxx
Acetone237xxxxXxxx
Acrolein235xxxxxxXxxx
Propionaldehyde237xxxxxxxxXxx
Crotonaldehyde249xxxxxxxxxxxx
Butanone251xxxxXxxx
Methacrolein249xxxxxxxxxxx
Butyraldehyde251xxxxxxxxxx
Salicylaldehyde301xxxxxxxxxXx
Benzaldehyde285xxxxxxxxxXx
Cyclohexanone277xxxxxx
2- and 3-pentanone265xxxxxxxx
Isovaleraldehyde265xxxxxxxxxxx
Valeraldehyde265xxxxxxxxxxx
p-Methoxyacetophenone329xxxxxx
o-, m-, and p-tolualdehydes299xxxxxxxxxxxx
Methyl isobutyl ketone279xxxxxxxx
Hexaldehyde279xxxxxxxxxx
Dimethylbenzaldehyde313xxxxxxxxx
Heptanaldehyde293xxxxxxxxxxxxx
Octanaldehyde307xxxxxxxxxx
Nonanaldehyde321xxxxxxxxxxxx
Decanaldehyde335xxxxxxxxxxxxxx
Undecanaldehyde349xxxxxxxxxxxxxx
Dodecanaldehyde363xxxxxxxxxxxxx
Tridecanaldehyde377xxxxxxxxxxxxxxx

Relative abundance: xxx: 100%; xx: 50%; x: ≤20%.
xxx: fragment ion selected for SRM.