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SAME AS ISO 11426

 

Document History

  1. AENOR UNE-EN ISO 11426

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    Jewellery and precious metals - Determination of gold - Cupellation method (fire assay) (ISO 11426:2021)

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  2. AENOR UNE-EN ISO 11426


    Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014)

    • Historical Version