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. 2012 Jul 18;26(4):286–294. doi: 10.1002/jcla.21519

Table 1.

TCA Retention Times, Multiple Reaction Monitoring (MRM) Transition Ions, and Corresponding Collision Energies (CE)

TCA RT (min) Quant ion (m/z) CE (eV) Qual ion (m/z) CE (eV)
Amitriptyline 6.2 278 > 233 17 278 > 91 25
Amoxapine (ISTD) 5.6 314 > 271 25
Clomipramine 7.7 315 > 86 17 315 > 58 38
Cyclobenzaprine 5.7 276 > 231 18 276 > 216 24
Desipramine 3.8 267 > 72 15 267 > 236 15
Doxepin 4.4 280 > 235 15 280 > 107 23
Fluoxetine 2.2 310 > 148 8 310 > 44 5
Imipramine 5.7 281 > 86 16 281 > 281 5
Maprotiline 3.8 278 > 250 20 278 > 219 24
Mirtazapine 7.2 266 > 195 25 266 > 72 20
Norclomipramine 4.7 301 > 72 6 301 > 301 18
Nordoxepin 2.9 266 > 235 15 266 > 107 23
Norfluoxetine 2.0 296 > 30 8 296 > 134 15
Nortriptyline 4.1 264 > 233 14 264 > 91 19
Trazodone 10.3 374 > 176 25 374 > 148 34
Trimipramine 6.2 295 > 100 19 295 > 58 35