ISO-11489 › Determination of platinum in platinum jewellery alloys -- Gravimetric determination by reduction with mercury(I) chloride
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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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Document Number
ISO 11489:1995
Revision Level
1ST EDITION
Status
Superseded
Publication Date
May 1, 1995
Committee Number
ISO TC 174/WG 1