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Norm

ÖNORM EN ISO 11489

Ausgabedatum: 1995 07 01

Determination of platinum in platinum jewellery alloys - Gravimetric method after reduction with mercury(I) chloride (ISO 11489:1995)

This International Standard specifies a gravimetric method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness stated ...
Weiterlesen
ZURÜCKGEZOGEN : 2017 12 02
Herausgeber:
Austrian Standards International
Format:
Digital | 7 Seiten
Sprache:
Englisch
Standards mitgestalten:
Komitee 086: Nichteisenmetalle
ICS
39.060
Fachgebiete
Chemistry, paper & textiles, Precision mechanics. Jewellery, Jewellery Machine components & tools, Precision mechanics. Jewellery, 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.
ÖNORM EN ISO 11489
1995 07 01
Determination of platinum in platinum jewellery alloys - Gravimetric method after reduction with me...
Norm
↖
Norm
ISO 9202:1991
Ausgabedatum : 1991 09 12
Jewellery — Fineness of precious metal alloys
Norm
ISO 11489:1995
Ausgabedatum : 1995 04 27
Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride