Figure F6. Ion chromatograms illustrating the abundance of n-alkanoic acids in two contrasting samples, Sites C0013 and C0017. The m/z 117 ion illustrates the abundance of n-alkanoic acids, whereas the m/z 337 and 339 ions illustrate the abundance of C18 alkenoic acids. 18:1 = C18 n-alkenoic acid.
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