Chemical composition of carbonaceous asteroid Ryugu from synchrotron spectroscopy in the mid- to far-infrared of Hayabusa2-returned samples

Open Access

Fig. 9

Relative proportions of the different functional groups (aliphatics, hydroxyl + interlayer and/or physisorbed water, carbonyl, carbonates, and silicates) from the FTIR analysis of the different samples, shown per functional group CH, OH, C=O, CO₃, and Si, respectively.

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