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BS EN ISO 11489:1995

BS EN ISO 11489:1995

Current

Current

The latest, up-to-date edition.

Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-15-1995

Publisher

British Standards Institution

Committees responsible
National foreword
Foreword
METHOD
1. Scope
2. Normative reference
3. Principle
4. Reagents
5. Apparatus
6. Sampling
7. Procedure
8. Expression of results
9. Test report
Annex
A (informative) Reduction apparatus according to Rose
FIGURE
A.1 Reduction apparatus


Specifies a gravimetric method for the determination of platinum in platinum jewellery alloys. Applies specifically to platinum alloys incorporating iridium, palladium, copper, rhodium, gold, cobalt, chromium, gallium, ruthenium, indium and less than 5% tungsten.

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.

Committee
STI/53
DevelopmentNote
Supersedes 92/36607 DC (07/2004)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
Supersedes

BS EN 29202:1993 Jewellery. Fineness of precious metal alloys
ISO 9202:2014 Jewellery Fineness of precious metal alloys

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Hardcopy - English
PDF - English
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