Reference number
ISO 18757:2003
ISO 18757:2003
© ISO 2024
International Standard
ISO 18757:2003
Fine ceramics (advanced ceramics, advanced technical ceramics) — Determination of specific surface area of ceramic powders by gas adsorption using the BET method
Edition 1
2003-12
2003-12
ISO 18757:2003
31903
Publicado
(Edición 1, 2003)
Esta publicación se revisó y confirmó por última vez en 2019.
Por lo tanto, esta versión es la actual.
Resumen
ISO 18757:2003 provides guidelines for the determination of the total specific external and internal surface area of disperse or porous (pore diameter greater than 2 nm) fine ceramic materials by measuring the amount of physically adsorbed gas according to the method of Brunauer, Emmett and Teller (BET method). This International Standard only focuses on specific details relevant to fine ceramic materials. It should further be noted that the BET method cannot be applied to type I isotherms (microporous materials or chemisorption behaviour) or when the solid adsorbs the measuring gas.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2003-12Etapa: Norma Internacional en proceso de revisión sistemática [90.20]
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Edición: 1Número de páginas: 10
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Comité Técnico :ISO/TC 206ICS :81.060.30
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