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
- Standard No.
- ISO 18757:2003
- Release Date
- 2003
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 18757:2003
- Scope
- This International Standard provides guidelines for the determination of the total specific external and internal surface area of disperse or porous (pore diameter > 2 nm) fine ceramic materials by measuring the amount of physically adsorbed gas according to the method of Brunauer, Emmet and Teller (BET method) [1]. General guidelines of the method are described in ISO 9277. 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 absorbs the measuring gas. NOTE For further details on those subjects please see IUPAC references [2], [3] or the textbook by Gregg and Sing [4].
ISO 18757:2003 Referenced Document
- ISO 9277:1995 Determination of the specific surface area of solids by gas adsorption using the BET method
ISO 18757:2003 history
- 2003 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
