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Normas DIN – AENOR
DIN ISO 9277:2014-01

DIN ISO 9277:2014-01

Determination of the specific surface area of solids by gas adsorption - BET method (ISO 9277:2010)

Détermination de l'aire massique (surface spécifique) des solides par adsorption de gaz - Méthode BET (ISO 9277:2010)

Bestimmung der spezifischen Oberfläche von Festkörpern mittels Gasadsorption - BET-Verfahren (ISO 9277:2010)

Fecha:
2014-01 /Active
Equivalencias internacionales:

ISO 9277 (2010-09)

Relación con otras normas DIN:

Reemplaza a: DIN ISO 9277:2012-11

Reemplaza a: DIN ISO 9277:2003-05

Resumen:
This Standard specifies the determination of the total specific external and internal surface area of disperse or porous solids by measuring the amount of physically adsorbed gas according to the method of Brunauer, Emmett and Teller (BET method). The BET method is applicable only to adsorption isotherms of type II and type IV. The BET method cannot reliably be applied to type I isotherms or to solids which adsorb the measuring gas.
Keywords:
Analysis, Area measurement, BET method, Brunauer, Construction, Definitions, Emmett, Finishes, Gas adsorption, Interpretations, Laboratory tests, Measurement, Measuring techniques, Porosity, Reference materials, Solids, Surface properties, Surfaces, Teller, Testing
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