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Norm
ÖNORM EN ISO 18757
Issue date: 2006 01 01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface area of ceramic powders by gas adsorption using the BET method (ISO 18757:2003)
This International Standard provides guidelines for the determination of the total specific external and internal
surface area of disperse or porous (pore diameter ) fin...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 15 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This International Standard provides guidelines for the determination of the total specific external and internal
surface area of disperse or porous (pore diameter ) 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].
> 2 nm
ÖNORM EN ISO 18757
2006 01 01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of specific surface a...
Norm
↖
ÖNORM EN 725-6
1996 03 01
Advanced technical ceramics - Methods of test for ceramic powders - Part 6: Determination of the spe...
Norm
Norm
ISO 9277:1995
Issue date :
1995 05 18
Determination of the specific surface area of solids by gas adsorption using the BET method