Conclusions
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1.
The IR spectrum of CO2 adsorbed on a dehydratedγ-Al2O3 surface was studied in the region of 4000–1000 Cm−1.
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2.
Several surface forms of adsorption of CO2 were detected in the interval 20–450°C: weakly adsorbed CO2, a carooxylate structure, ionized carbonate, a bidentately coordinated carbonate structure, and bicarbonate.
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3.
The participation of the surface hydroxyls in the weak and strong adsorption of carbon dioxide was discussed.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 19–25, January, 1969.
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Yakerson, V.I., Lafer, L.I., Danyushevskii, V.Y. et al. Infrared spectra of catalysts and adsorbed molecules. Russ Chem Bull 18, 15–20 (1969). https://doi.org/10.1007/BF00907587
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DOI: https://doi.org/10.1007/BF00907587