OREAS 992b reference material

Certified values

Values from the manufacturer's certificate. Exact tolerances (1SD, confidence intervals) are given in the certificate supplied with the pack.

About the material

Copper sulphide material, a by-product of nickel matte refining at a nickel refinery. Values are on a dry basis.

What it is used for

For QC of copper concentrate assays: copper by classical wet chemistry, gold, silver, platinum and palladium by fire assay. Suits concentrator laboratories and settlement assays with concentrate buyers.