Abstract
A nonisothermal adsorption experiment using a controlled flow of cyclopentane in the 333-313 K range is used to simultaneously estimate the specific surface area and micropore volume of a hybrid (organic/inorganic) alcogel. For reference, the method is also applied to an all-inorganic material with a more rigid structure, namely, a high surface area SiO2- Al2O3. The proposed data analysis provides guidelines to determine whether adsorption data on a certain adsorbate/adsorbent system can be modeled effectively as a convolution of BET (meso- and macropore) and Dubinin- Radushkevitch (DR, micropore) contributions.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 205-208 |
| Number of pages | 4 |
| Journal | Journal of Colloid and Interface Science |
| Volume | 224 |
| Issue number | 1 |
| DOIs | |
| State | Published - Apr 1 2000 |
Keywords
- BET
- Cyclopentane adsorption
- Dubinin- Radushkevitch
- Inertial microbalance
- Nonisothermal
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Biomaterials
- Surfaces, Coatings and Films
- Colloid and Surface Chemistry
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Cite this
Larsen, G., Silva, H. S., & De Silva, R. V. (2000). On a simple nonisothermal adsorption experiment with organic vapors and an inertial microbalance to study the surface properties of hybrid (organic/inorganic) porous materials. Journal of Colloid and Interface Science, 224(1), 205-208. https://doi.org/10.1006/jcis.1999.6690