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Homepage>BS Standards>39 PRECISION MECHANICS. JEWELLERY>39.060 Jewellery>BS EN ISO 11489:1995 Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride
immediate downloadReleased: 1995-09-15
BS EN ISO 11489:1995 Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride

BS EN ISO 11489:1995

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

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Standard number:BS EN ISO 11489:1995
Pages:12
Released: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.


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