EN ISO 18757:2005

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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)

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Published date: 19-10-2005

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Procedure
  6.1 General procedure
  6.2 Sample preparation
  6.3 Experimental conditions
  6.4 Evaluation of data
7 Test report
Annex A (informative) Sample preparation - Outgassing
Annex B (informative) Reference materials
Bibliography

Abstract - (Show below) - (Hide below)

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.

General Product Information - (Show below) - (Hide below)

Committee	CEN/TC 184
Development Note	Supersedes EN 725-6. (12/2005)
Document Type	Standard
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Current
Supersedes	EN 725-6 : 1996

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Equivalent Standard(s)	Relationship
DIN EN ISO 18757:2006-01	Identical
BS EN ISO 18757:2005	Identical
NBN EN ISO 18757 : 2006	Identical
DIN EN ISO 18757 E : 2006	Identical
NS EN ISO 18757 : 1ED 2006	Identical
SN EN ISO 18757 : 2005	Identical
UNI EN ISO 18757 : 2006	Identical
PN EN ISO 18757 : 2006	Identical
NF EN ISO 18757 : 2006	Identical
I.S. EN ISO 18757:2005	Identical
UNE-EN ISO 18757:2005	Identical
NEN EN ISO 18757 : 2005	Identical
ISO 18757:2003	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

CEN/TR 13233 : 2007 COR 2007	ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS
BS EN 725-4:2006	Advanced technical ceramics. Methods of test for ceramic powders Determination of oxygen content in aluminium nitride by XRF analysis
ONORM EN 725-4 : 2006	ADVANCED TECHNICAL CERAMICS - METHODS OF TEST FOR CERAMIC POWDERS - PART 4: DETERMINATION OF OXYGEN CONTENT IN ALUMINIUM NITRIDE BY XRF ANALYSIS
I.S. EN 725-4:2006	ADVANCED TECHNICAL CERAMICS - METHODS OF TEST FOR CERAMIC POWDERS - PART 4: DETERMINATION OF OXYGEN CONTENT IN ALUMINIUM NITRIDE BY XRF ANALYSIS
DIN EN 725-4:2006-07	Advanced technical ceramics - Methods of test for ceramic powders - Part 4: Determination of oxygen content in aluminium nitride by XRF analysis
UNI EN 14232 : 2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
09/30185903 DC : 0	BS EN 14232 - ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
PREN 14232 : DRAFT 2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
PD CEN/TR 13233:2007	Advanced technical ceramics. Notations and symbols
UNI EN 725-4 : 2006	ADVANCED TECHNICAL CERAMICS - METHODS OF TEST FOR CERAMIC POWDERS - PART 4: DETERMINATION OF OXYGEN CONTENT IN ALUMINIUM NITRIDE BY XRF ANALYSIS
EN 725-4:2006	Advanced technical ceramics - Methods of test for ceramic powders - Part 4: Determination of oxygen content in aluminium nitride by XRF analysis
EN 14232:2009	Advanced technical ceramics - Terms, definitions and abbreviations
BS EN 14232:2009	Advanced technical ceramics. Terms, definitions and abbreviations
DD CEN/TR 13233 : 2007	ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS
I.S. EN 14232:2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
S.R. CEN TR 13233:2007	ADVANCED TECHNICAL CERAMICS - NOTATIONS AND SYMBOLS

Standards Referencing This Book - (Show below) - (Hide below)

ISO 31-0:1992	Quantities and units Part 0: General principles
ISO 8213:1986	Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps
ISO 9277:2010	Determination of the specific surface area of solids by gas adsorption — BET method

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