Figure 2.
Chromatograms of analytes at low QC (0.03 μg/mL for NOM, OM, αOCL, βOCL, NOC and OC, 0.1 μg/mL for OMG and NOMG): (a) NOMG, (b) OMG, (c) NOM, (d) OM, (e) αOCL, (f) βOCL, (g) NOC and (h) OC.
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