18K Gold CRM - Certified Reference Materials - Precious Metals - For XRF Analyzers

The 18k Gold Standard by The XRF Company is a certified reference material to meet your gold analysis needs. This large precious metal reference material measures at 1/2 inch by 1/2 inch.  Whether you are using an XRF gun or a different type of analyzer, this our 18 karat 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 consists of 78.85% Au, 14.80% Ag, 9.59% Cu, and 0.76% Zn and measures at 1/2'' by 1/2''.