Determination of Low BET Surface Area using Vapor Sorption Techniques

Thu 16 July 2020
1 hours incl. Q&A

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The interaction of a solid with its surroundings is through the available surface area for adsorption of gas or vapor molecules. This also allows probing of material surface including irregularities and pores. One of the most successful methods is based on the adsorption method of Brunauer, Emmett and Teller (BET), which is based on the physical adsorption of a vapour or gas onto the surface of a solid. Traditionally, sorption studies were carried out at low temperatures to obtain nitrogen isotherms at 77 K, which were then used to calculate BET surface areas.

Meishan Guo

Meishan Guo
Application Engineer
Surface Measurement Systems


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