Superseded
Standard
Historical
DIN EN 31427:1995-04
Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide (ISO 11427:1993, includes Corr. 1:1994) (includes EN 31427:1994/AC:1994); German version EN 31427:1994
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Summary
The document describes a volumetric method for the determination of silver in jewellery alloys, preferably within the range of fineness stated in ISO 9202. These alloys may contain copper, zinc, cadmium and palladium. Apart from palladium, which must be precipitated before commercing titration, these elements do not interfere with this method of determination.
Notes
À remplacer par DIN EN ISO 11427 (2016-06).
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/1995 |
| Cancellation Date | 12/01/2016 |
| Page Count | 5 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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