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EN ISO 11489:1995

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

Publication date:   Jan 1, 1999

General information

99.60   Withdrawal effective   Nov 8, 2017

CEN

CEN/TC 283 Precious metals - Applications in jewellery and associated products

European Norm

39.060   Jewellery

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Scope

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.

Life cycle

NOW

WITHDRAWN
EN ISO 11489:1995
99.60 Withdrawal effective
Nov 8, 2017




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