BS EN ISO 11426:2016 – TC:2020 Edition
$134.27
Tracked Changes. Jewellery. Determination of gold in gold jewellery alloys. Cupellation method (fire assay)
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 36 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 22 | European foreword Endorsement notice |
| 24 | Foreword |
| 25 | Introduction |
| 27 | 1 Scope 2 Normative references 3 Principle 4 Reagents |
| 28 | 5 Apparatus |
| 29 | 6 Sampling 7 Procedure 7.1 General 7.2 Yellow and red gold alloys, free of nickel, and palladium white gold alloys |
| 30 | 7.3 White gold alloys containing nickel |
| 31 | 7.4 White gold alloys containing palladium 7.5 Gold alloys incorporating more than 40 % silver 7.6 Alloys containing 999 ‰ gold 8 Calculation and expression of results 8.1 Proof assay sample factor |
| 32 | 8.2 Calculation of gold content 8.3 Repeatability 9 Test report |
| 33 | Bibliography |
