I.S. EN 31427:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DETERMINATION OF SILVER IN SILVER JEWELLERY ALLOYS - VOLUMETRIC (POTENTIOMETRIC) METHOD USING POTASSIUM BROMIDE
Hardcopy , PDF
English
01-01-1994
31-10-2016
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 reference
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
Specifies a volumetric method for the determination of silver in silver jewellery allows, preferably within the range of fineness stated in I.S. EN 29202.
| DevelopmentNote |
COR 1994 issued on 06-09-2011. (09/2011)
|
| DocumentType |
Standard
|
| Pages |
19
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 11427:2014 | Identical |
| BS EN 31427:1994 | Identical |
| NF EN 31427 : 1995 | Identical |
| NBN EN 31427 : 1994 COR 1994 | Identical |
| EN 31427:1994 | Equivalent |
| UNE-EN 31427:1996 | Identical |
| DIN EN 31427:1995-04 | Identical |
| EN 29202:1992 | Jewellery - Fineness of precious metal alloys (ISO 9202:1991) |
| ISO 9202:2014 | Jewellery — Fineness of precious metal alloys |
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