National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling
8 Preparation of measurement
9 Measurement
10 Calculation and evaluation
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Background of the method
Bibliography