Foreword
1 Scope
2 Normative reference
3 Principle
4 Reagents and materials
5 Apparatus
6 Samples and sampling
7 Calibration
7.1 Preparation of the blank test solution
7.2 Preparation of the 5,00 ml solution to
be standardized
7.3 Titration
7.4 Preparation of the 10,00 ml solution to
be standardized
7.5 Calculation of concentration of silver
nitrate solution
7.6 Calculation of value of blank test
8 Sample analysis
8.1 Preparation of the dry residue
8.2 Preparation of the sample solution
8.3 Titration
9 Calculation
10 Expression of results
11 Precision
11.1 Repeatability, r
11.2 Reproducibility, R
12 Test report
Annex A (informative) - Measurement example
Annex B (informative) - Interferences
Bibliography