The Silver and Gold Standard SET by The XRF Company is a certified reference material to meet your gold analysis needs. This sizeable precious metal reference material measures 1/2 inch by 1/2 inch. Whether using an XRF gun or a different analyzer, this precious metal meets the ISO Guides 31, 34, and 35. It is a certified reference material as defined by ISO Guide 30.
This check sample consist of 10K/14K/18K/22K/24K Gold and Pure/Sterling Silver.
