National foreword
Method
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Test report
Annexes
A Additional information on the international
co-operative tests
B Graphical representation of precision data
Figures
B.1 Relationship between nickel content and
repeatability r and between nickel content and
reproducibility R (gravimetric finish)
B.2 Relationship between nickel content and
repeatability r and between nickel content and
reproducibility R (titrimetric finish)