UNI EN 31427 : 1997
Current
The latest, up-to-date edition.
DETERMINATION OF SILVER IN SILVER JEWELLERY ALLOYS - VOLUMETRIC (POTENTIOMETRIC) METHOD USING POTASSIUM BROMIDE
31-07-1997
Cooperating organizations
National foreword
Foreword
1. Scope
2. Normative references
3. Principle
4. Reagents
5. Apparatus
6. Sampling
7. Procedure
8. Expression of results
9. Test report
Annex
ZA (normative) Normative references to international
publications with their relevant European publications
National annexes
NA (informative) Committees responsible
NB (informative) Cross-references
Specifies a volumetric method for the determination of silver in silver jewellery alloys. Coverage includes reagents, apparatus and procedure.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| SupersededBy |
| Standards | Relationship |
| SN EN 31427 : 1994 | Identical |
| BS EN 31427:1994 | Identical |
| UNE-EN 31427:1996 | Identical |
| NF EN 31427 : 1995 | Identical |
| NBN EN 31427 : 1994 COR 1994 | Identical |
| I.S. EN 31427:1994 | Identical |
| DIN EN 31427:1995-04 | Identical |
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