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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