Abstract
Nitrogen adsorption isotherm measured at −196 °C for a macroporous α-alumina (α-Al2O3) is reported. This isotherm is compared with the previously reported adsorption data measured on LiChrospher 1000 silica and with available reference isotherms measured at moderate and high relative pressures on macroporous aluminas. The isotherm reported in this work for α-Al2O3 and that recorded previously on LiChrospher 1000 silica were used as reference data for adsorption characterization of ordered and disordered mesoporous aluminas by α s -plot analysis and pore size analysis. It is shown that both reference isotherms provide almost identical adsorption characteristics of the aforementioned mesoporous aluminas, indicating that the available reference data for the silica surface are also suitable for adsorption analysis of alumina-based materials.
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This work is dedicated to Professor Wladyslaw Rudzinski on his 70th Birthday.
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Jaroniec, M., Fulvio, P.F. Standard nitrogen adsorption data for α-alumina and their use for characterization of mesoporous alumina-based materials. Adsorption 19, 475–481 (2013). https://doi.org/10.1007/s10450-012-9469-0
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DOI: https://doi.org/10.1007/s10450-012-9469-0