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4206 Chemical testing of non-ferrous metals and alloys

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Released: 2014
CSN EN ISO 11210
Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate
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English
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Released: 2014
CSN EN ISO 11426
Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay)
LANGUAGE
English
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Released: 2014
CSN EN ISO 11427
Jewellery - Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using potassium bromide
LANGUAGE
English
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Released: 2015
CSN EN ISO 11490
Jewellery - Determination of palladium in palladium jewellery alloys - Gravimetric determination with dimethylglyoxime
LANGUAGE
English
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Released: 2019
CSN EN ISO 11494
Jewellery and precious metals - Determination of platinum in platinum alloys - ICP-OES method using an internal standard element
LANGUAGE
English
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Released: 2019
CSN EN ISO 11495
Jewellery and precious metals - Determination of palladium in palladium alloys - ICP-OES method using an internal standard element
LANGUAGE
English
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Released: 2020
CSN EN ISO 7526
Ferronickels - Determination of sulfur content - Infrared absorption method after induction furnace combustion
LANGUAGE
English