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Direct Molecular-scale Insight into Soluble Organic Matter from the Murchison and Aguas Zarcas Meteorites Enabled by 21T FT-ICR MS and Single-molecule HR-AFM Imaging

  • Authors: Joseph W. Frye-Jones, Martha L. Aguilera, Percy Zahl, Alan G. Marshall, Ryan P. Rodgers

Joseph W. Frye-Jones et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 7.

From a methanol extract of Murchison analyzed by (+) ESI FT-ICR MS, the peak at m/z 351.23802 was assigned as C19H35O424Mg1, displaying the isotopic fine-structure peaks of 25Mg and 13C (top) and 26Mg, 13C25Mg, and 13C2 (bottom) in both the theoretical and measured fine structure. Also detected is C22H34O223Na1, which is separated from the 13C2 peak by 0.36 mDa.

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