Foreword
Introduction
1 Scope
2 Principle
3 Reagents
4 Apparatus
5 Sample preparation and storage
6 Procedure
7 Calculation of results
8 Test report
Annex A (informative) - Examples of calibration curves and
typical chromatograms
Annex B (normative) - Photolysis and reaction of nitrite with
Griess reagent to form the azo dye
Annex C (normative) - Configuration of the post-column reactor
system
Bibliography