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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu

Fig. 1

a An optical microscope image of A0080. The dotted line represents the outline of A0080, which was embedded in a soft alloy. b A total ion image obtained by DESI-HRMS. c A mass spectral image of C21H46N+ (m/z 312.362). d A mass spectrum of total ion obtained from the entire surface of the grain, inside of the region of interest (ROI) indicated by the dotted line in (a)–(c)

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