Fig. 5: The co-evolution of overall condensation degree and the confined aromatic domains of polycyclic aromatics. | Nature Communications

Fig. 5: The co-evolution of overall condensation degree and the confined aromatic domains of polycyclic aromatics.

From: Polycyclic aromatics in the Chang’E 5 lunar soils

Fig. 5: The co-evolution of overall condensation degree and the confined aromatic domains of polycyclic aromatics.

The percentage of mellitic acid (B6CA) and benzenepentacarboxylic acid (B5CA) in the total benzene polycarboxylic acids (PB6CA+B5CA) serves as an indicator of the overall condensation degree of the polycyclic aromatics, while the B6CA/B5CA ratio reflects the size of the confined aromatic domains. The data presented in this figure are derived from a reorganization of the data in Fig. 3. The arrowed lines depict the co-evolution trajectory of PB6CA+B5CA and B6CA/B5CA for terrestrial analogs.

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