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
This document specifies a cupellation method (fire assay) for the determination of gold on a material considered homogeneous.
| Committee |
TC 174
|
| DocumentType |
Standard
|
| Pages |
24
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN ISO 11426:2021 | Identical |
| ISO 11426:2021 | Identical |
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