National foreword
National Annex NA (informative) - Explanatory notes
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Procedure
7 Evaluation of adsorption data
8 Test report
9 Use of reference materials
Annex A (informative) - Cross-sectional areas of some
frequently used adsorptives
Annex B (informative) - Certified reference materials for
the BET method
Annex C (informative) - Surface area of microporous materials
Bibliography