Bet theorie

bet theorie

Brunauer–Emmett–Teller (BET) theory aims to explain the physical adsorption of gas molecules on a solid surface and serves as the basis for an important. The calculation is based on the BET theory. Traditionally nitrogen is used as adsorbate gas. Gas adsorption also enables the determination of size and volume. Oberflächenbestimmung nach der BET -Methode. Theoretische Grundlagen: In diesem Versuch wird die Adsorption von Gasmolekülen an.

Bet theorie - 200 Winner

Möglicherweise unterliegen die Inhalte jeweils zusätzlichen Bedingungen. Georg Thieme Verlag, , ISBN , S. Caution should be exercised when outgassing powder samples using elevated temperatures to avoid affecting the nature of the surface and the integrity of the sample. Ausführlich ist dies in den Normen DIN-ISO [3] bzw. The outgassing conditions are critical for obtaining the required precision and accuracy of specific surface area measurements on pharmaceuticals because of the sensitivity of the surface of the materials. In , Stephen Brunauer , Paul Hugh Emmett , and Edward Teller published the first article about the BET theory in the Journal of the American Chemical Society. Measure the volume adsorbed, V a. bet theorie


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