Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Dry ashing
9.2 Mineralization in a closed vessel (bomb
digestion)
9.3 Measurements
10 Calculation and expression of results
10.1 Automated calculation
10.2 Calculation using a calibration graph
10.3 Calculation using standard additions
10.4 Expression of results
11 Precision
11.1 Interlaboratory test
11.2 Repeatability
11.3 Reproducibility
12 Test report
Annex A (informative) - Interlaboratory trials
Annex B (informative) - Applicability of dry ashing as a
mineralization procedure
Bibliography