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sklademVydáno: 1995-09-15
BS EN ISO 11489:1995
Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride
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| Označení normy: | BS EN ISO 11489:1995 |
| Počet stran: | 12 |
| Vydáno: | 1995-09-15 |
| ISBN: | 0 580 24653 1 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 11489:1995
This standard BS EN ISO 11489:1995 Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride is classified in these ICS categories:
- 39.060 Jewellery
This International Standard specifies a gravimetric method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness stated in ISO 9202.
The procedure applies specifically to platinum alloys incorporating palladium, iridium, rhodium, copper, cobalt, gold, ruthenium, gallium, chromium, indium and less than 5 % tungsten. Some modifications are indicated where palladium, iridium, rhodium, gold or ruthenium are present.