OREAS 78

OREAS 78 is a nickel-cobalt sulphide certified reference material (CRM) prepared from a nickel matte by-product during the refining process at a nickel refinery.

Analyte Certified Value 1SD 95% Confidence Limits Low 95% Confidence Limits High Method
Co, Cobalt (wt.%) 23.74 0.338 23.51 23.97 Classical Wet Chemistry
Ni, Nickel (wt.%) 25.79 0.265 25.62 25.96 Classical Wet Chemistry
S, Sulphur (wt.%) 28.61 0.440 28.33 28.90 Infrared Combustion
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