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ISO DIS 11489

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ISO DIS 11489 2013 Edition, July 15, 2013 Determination of platinum in platinum jewellery alloys - Gravimetric determination by reduction with mercury(I) chloride

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Description / Abstract: 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.