Standard

NS-EN ISO 18757:2005

Feb 2006 Published

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Abstract

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.

Document information

Standard from SN
Published: 1 February 2006
Edition: 2005-10
Version: 1
Document type: NAT
ISBN:

ICS 81.060.30
National Committee CEN/TC 184

Product Relations

Replaces: NS-EN 725-6:1996
Refers: ISO 9277:1995
Adopted from: EN ISO 18757:2005 , 0

Product life cycle

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Withdrawn

NS-EN 725-6:1996
Current product

Published

NS-EN ISO 18757:2005

NS-EN ISO 18757:2005

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