Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Precision
10 Test report
Annex A (informative) - Additional information on the
international interlaboratory test
Annex B (informative) - Graphical representation of
precision data
Bibliography