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. Author manuscript; available in PMC: 2014 Sep 13.
Published in final edited form as: J Chromatogr A. 2013 Jul 30;1307:172–179. doi: 10.1016/j.chroma.2013.07.093

Figure 3.

Figure 3

GC×GC/ToF-MS TICs for NIST SRM1975 (diesel particulate extract) without cleanup (A) using column combination “A”, (B) black and white version of A, (C), (D), (E) portions of chromatogram shown in A, (F) using column combination “B”, (G) black and white version of F, and (H), (I), (J) portions of chromatogram shown in F.