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) Alternative methods for direct determination
of Cr(VI) in the alkaline digestion solution
Annex B Ion chromatographic system
Annex C (informative) Requirements for test portion preparation
Annex D (informative) Background on methods for the determination
of Cr(VI) in solid samples
D.1 Summary of literature methods for Cr (VI) determinations
in solids [6]
D.2 Theoretical kinetic background for Cr(III)-Cr(VI)
inter-conversions [6]
D.3 Special needs for Cr(VI) determination in soil extracts [7]
D.4 Determination of Cr(VI) in glass
D.5 Determination of Cr(VI) in air particulate matter
Annex E (informative) Validation
Bibliography