BH GSO ISO 11489:2024
ISO 11489:1995
Bahraini Standard
Current Edition
·
Approved on
21 November 2024
Determination of platinum in platinum jewellery alloys -- Gravimetric determination by reduction with mercury(I) chloride
BH GSO ISO 11489:2024 Files
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BH GSO ISO 11489:2024 Scope
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, topper,
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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