I.S. EN ISO 11426:2021
Current
The latest, up-to-date edition.
Jewellery and precious metals - Determination of gold - Cupellation method (fire assay) (ISO 11426:2021)
Hardcopy , PDF
English
11-04-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Calculation and expression of results
10 Test report
Annex A (informative) Concentration of other base metals, affecting the gold result
Bibliography
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