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1. Theories of adsorption by porous materials
There are many theories of adsorption, but only those considered most directly useful for determining the pore size distribution of nanoporous materials are given here .
1.1 Kelvin's law of capillary condensation
In a capillary tube, a gas condenses at a vapour pressure p lower than its saturation vapour pressure p 0 provided the liquid wets the capillary walls, i.e. provided the contact angle θ formed between liquid and solid...
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Theories of adsorption by porous materials
Micropore characterization
Bibliography
Software tools
Database of hundreds of adsorption isotherms, including many new adsorbents http://adsorbents.nist.gov/
NLDFT calculations http://www.NLDFT.com
Fluid properties https://www.nist.gov/srd/refprop
...Events
On a national scale: annual days of the French Adsorption Association, usually in January-February. http://www.adsorption.fr/spip.php?rubrique1
Internationally: three successive triennial congresses, one per year, usually in April-May, in the following order:
Fundamentals...
Standards and norms
- Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption – Part 2 : Analysis of mesopores and macropores by gas adsorption - ISO 15901-2 - 2006
- Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption – Part 3 : Analysis of micropores by gas adsorption - ISO 15901-3 - 2007
Regulations. Safety
Use of liquid nitrogen http://bip.cnrs-mrs.fr/acmo/node8.html
Handling nanomaterials and nanoparticles http://www.inrs.fr/risques/nanomateriaux/prevention-risques.html
Gas handling...
Directory
Marketed equipment (non-exhaustive list)
The commercial adsorption units shown in Table allow a detailed study based on the nitrogen adsorption-desorption isotherm at 77 K. Generally speaking, the adsorption isotherm domain they automatically record, and the software they are equipped with, allow fairly easy access to specific surface area (BET method
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