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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Biomed Chromatogr. 2012 Oct 5;27(4):422–432. doi: 10.1002/bmc.2809

Figure 2. Effect of voltage parameters on ionization of target compounds: 9-HODE [triangles], 13-HODE [diamonds], 9-oxoODE [squares], and 13-oxoODE [circles]. (a) fragmentor voltage, (b) capillary voltage, (c) nozzle voltage, and (d) skimmer voltage.

Figure 2

Mobile phase: water-acetonitrile-acetic acid (90:10:0.04) (mobile phase A) and acetonitrile-isopropanol (80:20) (mobile phase B), flow rate = 0.2 mL/min, drying gas temperature 350 °C.