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Fig. 3 | Earth, Planets and Space

Fig. 3

From: PAHs, hydrocarbons, and dimethylsulfides in Asteroid Ryugu samples A0106 and C0107 and the Orgueil (CI1) meteorite

Fig. 3

GC×GC–HRMS analysis of naphthalene characterized by m/z 128.0621 ± 10 ppm, and phenanthrene and anthracene characterized by m/z 178.0778 ± 10 ppm from the baked serpentine blank, Ryugu samples A0106, C0107, and the Orgueil meteorite DCM extracts. The insert color scales represent relative peak intensities, where colder colors (blue toward green) indicate lower values and warmer colors (yellow to red) higher values. The timeframe for the second dimension (Time2) in each chromatogram of naphthalene goes from 0.5 to 3.5 s (Start: 0%; Stop: 100%, Factor: 2), and for phenanthrene and anthracene from 1.1 to 3.6 s (Start: 2%; Stop: 80%, Factor: 1.5). The regions of interest in the chromatograms are indicated by the white rectangles. Signals outside these regions are other species which could not be definitively identified via a comparison of retention time and fragmentation pattern with authentic standards

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