BS ISO 9277:2022 – TC

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Tracked Changes. Determination of the specific surface area of solids by gas adsorption. BET method

Published By	Publication Date	Number of Pages
BSI	2022	84

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PDF Pages

PDF Title

30466142

A-30419295

National foreword

Foreword

Introduction

1 Scope
2 Normative references
3 Terms and definitions

4 Symbols
5 Principle

6 Procedure
6.1 Sample preparation

6.2 Experimental conditions

6.3 Measuring methods for the assessment of the amount of adsorbed gas
6.3.1 General
6.3.2 Static manometric (volumetric) method
6.3.3 Flow manometric (volumetric) method

6.3.4 Gravimetric method

6.3.5 Carrier gas method

6.3.6 Dynamic vapour sorption method
7 Evaluation of adsorption data
7.1 General

7.2 Multipoint determination

7.3 Single-point determination

8 Test report
9 Use of reference materials

Annex A (informative) Cross-sectional areas of some frequently used adsorptives

Annex B (informative) BET area of microporous materials

Bibliography

Status	Definitive
Pages	84
Publication Date	2022-12-21
ISBN	978 0 539 25028 2
Standard Number	BS ISO 9277:2022 – TC
Title	Tracked Changes. Determination of the specific surface area of solids by gas adsorption. BET method
Descriptors	Noble gases, Monolayers, Porous materials, Specific surface area tests, Gravimetric analysis
Publisher	BSI
Committee	LBI/37
ICS Codes	19.120 - Particle size analysis. Sieving


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BS ISO 9277:2022 – TC

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