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An FT-IR spectroscopic assessment of the surface basicity of calcia

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Abstract

Adsorption of formic acid on Ca(OH)2 calcined at increasing temperatures has been monitored by FT-IR spectroscopy. Adsorption takes places dissociatively, forming bidentate formate species, coordinated to surface Ca2+ ions. The basicity decreases as the outgassing temperature increases, due to removal of surface hydroxy groups.

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Authors and Affiliations

  1. Departamento de Química Inorgánica, Universidad de Salamanca, Facultad de Farmacia, Avda. Campo Charro, s/n, 37007, Salamanca, Spain

    M. J. Holgado, C. Martin, I. Martin, V. Rives & S. San Roman

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  1. M. J. Holgado
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  2. C. Martin
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  3. I. Martin
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  4. V. Rives
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  5. S. San Roman
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Holgado, M.J., Martin, C., Martin, I. et al. An FT-IR spectroscopic assessment of the surface basicity of calcia. React Kinet Catal Lett 49, 139–144 (1993). https://doi.org/10.1007/BF02084040

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  • DOI: https://doi.org/10.1007/BF02084040

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