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Catalysts

Adsorption studies using water and organic vapors are a powerful way to characterize catalysts and adsorbents

Catalysts are complex materials, with both porous structures and very specific surface chemistries. Advanced vapour sorption methods have been highly successful in improving our understanding of many facets of these materials performance. The ability to use a wide range of organic and gaseous phase species, combined with both kinetic and equilibrium measurements have led to the widespread use of our techniques in this sector.

Surface area
One of the most successful methods for determining the surface area of a solid is based on the BET method for gas adsorption. The adsorption method of Brunauer, Emmett and Teller (BET) is based on the physical adsorption of a vapour or gas onto the surface of a solid. Surface Measurement Systems have pioneered the use of both the DVS and the IGC methods for determining the surface area of solid state materials including catalysts and catalyst supports.

Application Note 18: Measuring BET Surface Areas using Organic Probe Molecules | Request a copy

Application Note 219: The Characterisation of Surface Area and Surface Adsorption Potential Heterogeneity Profiles of Hair by Inverse Gas Chromatography
| Request a copy

Application Note 225: Isotherm Measurements for BET Surface Area Calculations using Inverse Gas Chromatography
| Request a copy

Chemisorption
Drying
Particle adhesion
Water sorption isotherms
Porosity
Molecular diffusion and permeability
Competitive adsorption

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