Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Safety remarks
5 Principle
6 Apparatus
7 Reagents
8 Sample pretreatment
9 Alkaline digestion procedure
10 Analytical procedure
11 Calculation
12 Expression of results
13 Test report
Annex A (informative) Ion chromatographic system
Annex B (informative) Requirements for test portion preparation
Annex C (informative) Validation
Annex D (informative) Background on methods for the determination of Cr(VI) in solid samples
Bibliography