ISO 11426 pdf - ISO standards download

ISO 11426:2014 pdf download

Posted on March 8, 2022 by admin

ISO 11426:2014 pdf download.Jewellery — Determination of gold in gold jewellery alloys — Cupellation method (fire assay) 4.6 Pure palladium, for proof samples, minimum purity 999,5 parts per thousand (‰) […]