EN ISO 11426:2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014)
21-04-2021
12-10-2016
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Calculation and expression of results
9 Test report
Bibliography
ISO 11426:2014 specifies a cupellation method (fire assay) for the determination of gold in gold jewellery alloys. The gold content of the alloys should preferably lie between 333 and 999 parts per thousand (?).The procedure is applicable specifically to gold alloys incorporating silver, copper, and zinc. Some modifications are indicated where nickel and/or palladium are present in the so-called white gold alloys, as well as for alloys containing 990 or more parts per thousand (?) of gold.ISO 11426:2014 is intended to be used as the recommended method for the determination of fineness in alloys covered by ISO 9202.
| Committee |
CEN/BT
|
| DevelopmentNote |
Supersedes EN 31426. (04/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| SN EN ISO 11426 : 2018 | Identical |
| NEN EN ISO 11426 : 1999 | Identical |
| UNE-EN ISO 11426:2017 | Identical |
| NBN EN ISO 11426 : 1999 | Identical |
| NS EN ISO 11426 : 1998 | Identical |
| ISO 11426:2014 | Identical |
| NEN EN ISO 11426 : 2016 | Identical |
| DIN EN ISO 11426:2016-12 | Identical |
| UNI EN ISO 11426 : 2016 | Identical |
| SN EN ISO 11426 : 1999 | Identical |
| UNI EN ISO 11426 : 2000 | Identical |
| NBN EN ISO 11426 : 1999 | Similar to |
| NF EN ISO 11426 : 1999 | Identical |
| I.S. EN ISO 11426:2016 | Identical |
| BS EN ISO 11426:2016 | Identical |
| PN EN ISO 11426 : 2016 | Identical |
| ONORM EN ISO 11426 : 2017 | Identical |
| DIN EN ISO 11426:1999-10 | Identical |
| 02/121776 DC : DRAFT APR 2002 | PREN 14403 - SAMPLING OF THE PRECIOUS METAL ALLOYS IN JEWELLERY AND ASSOCIATED PRODUCTS |
| BS EN 1904:2000 | Precious metals. The finenesses of solders used with precious metal jewellery alloys |
| EN 1904:2000 | Precious metals - The finenesses of solders used with precious metal jewellery alloys |
| ISO 9202:2014 | Jewellery Fineness of precious metal alloys |
| ISO 11596:2008 | Jewellery Sampling of precious metal alloys for and in jewellery and associated products |
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