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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2018 Mar 2;1083:86–92. doi: 10.1016/j.jchromb.2018.02.043

Figure 2.

Figure 2.

Representative extracted-ion chromatograms of BMAA, TMAO, HDA, and IPDA prepared in 0.1% (v/v) HFBA in water at arbitrary concentrations (non-equimolar) using HFBA and a reversed-phase column. The dotted line represents percentage composition of mobile phase B (right y-axis) against retention time (x-axis). The gradient profile does not illustrate the change in flow rate shown in Table 1.