Fig. 1: Molecular atlas of the Ryugu soluble organic matter. | Nature Communications

Fig. 1: Molecular atlas of the Ryugu soluble organic matter.

From: Soluble organic matter Molecular atlas of Ryugu reveals cold hydrothermalism on C-type asteroid parent body

Fig. 1: Molecular atlas of the Ryugu soluble organic matter.The alternative text for this image may have been generated using AI.

A counting of the number of elementary composition retrieved from exact mass analysis in ESI(-), ESI(+) and APPI(+) ionization modes of the sequential extractions in hexane, dichloromethane, methanol and water. B Venn-diagram of the ionization mode signatures, C abundances of the various chemical families in the various extracts and ionization modes, involving, CH, CHO, CHN, CHS, CHOS, CHNO, CHNOS, CHONa, CHNONa, CHOSNa and CHNOSNa. D Network representation of the methanol extract using the most frequent mass transitions and showing the strong structural connectivity and the regular gradients in O/C, H/C and m/z. E frequency histogram of the exact mass differences (i.e., CH2, H2, O, CO2, H2O, HCN, NH, NH3, SO, S, SO2, SO3, and SO4).

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