60.60 Standard published Aug 28, 2019
CEN/TC 410 Consumer confidence and nomenclature in the diamond industry
This document describes an analytical procedure for the determination of platinum in platinum alloys with a nominal content up to 990 ‰ (parts per thousand), including alloys according to ISO 9202.
EN ISO 11494:2016
EN ISO 11494:2019
60.60 Standard published
Aug 28, 2019