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ISO 11426:2021

Jewellery and precious metals - Determination of gold - Cupellation method (fire assay)

standard by International Organization for Standardization , 03/01/2021

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Full Description

ISO 11426:2021 specifies a cupellation method (fire assay) for the determination of gold on a material considered homogeneous. The gold content of the sample lies preferably between 100 and 999,5 parts per thousand (‰) by weight. Fineness above 999,5 ‰ can be determined using a spectroscopy method by difference (e.g. ISO 15093).
 

Product Details

Edition:
4th
Published:
03/01/2021
Number of Pages:
14
File Size:
1 file , 1 MB
Same As:
BS EN ISO 11426:2021
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 11426:2021

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    Jewellery and precious metals - Determination of gold - Cupellation method (fire assay)

    • Most Recent

  2. ISO 11426:2014


    Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay)

    • Historical Version

  3. ISO 11426:1997


    Determination of gold in gold jewellery alloys -- Cupellation method (fire assay)

    • Historical Version