Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Test report
Annex A (informative) Digestion in an open system using
electrical heating
Annex B (informative) Digestion in an open system using
microwave-assisted heating
Annex C (informative) Digestion in a closed system
using microwave-assisted heating
Annex D (informative) Digestion in a closed system using
an autoclave
Annex E (informative) Performance checks
Bibliography