OREAS 663

OREAS 663 was prepared from a blend of copper-nickel-PGE bearing sulphide ores sourced from the Sudbury district, Ontario, Canada, and barren gabbronorite. Nickel sulphide ore from Leinster, Western Australia, was also added to achieve the desired grades.

Copper-nickel-PGE mineralisation in the Sudbury district is associated with the Sudbury Igneous Complex and its surrounding footwall rocks. The principal sulphide minerals are pyrrhotite, pentlandite and chalcopyrite.

OREAS 663 has been characterized using the following methods:

  • Major elements by oxidising fusion with XRF finish
  • Full ICP-OES and MS elemental suites by lithium borate or sodium peroxide fusion
  • Full ICP-OES and ICP-MS elemental suites by 4-acid (HNO3–HF–HClO4–HCl) digestion
  • Total S by Infrared combustion furnace
  • Au, Pt and Pd by lead collection fire assay with ICP-OES and ICP-MS

Certified values for applicable analytes are operationally defined for each method, with results under OREAS ISO 17034 scope of accreditation.

Note: Analyte values are indicative only and may change when certified.
Analyte Indicative Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Ni, Nickel (wt.%) 1.00 TBD TBD TBD Borate Fusion XRF
Cu, Copper (wt.%) 3.10 TBD TBD TBD Borate Fusion XRF
Pt, Platinum (ppm) 1.50 TBD TBD TBD Pb Fire Assay
Pd, Palladium (ppm) 2.00 TBD TBD TBD Pb Fire Assay
S, Sulphur (wt.%) 6.50 TBD TBD TBD Infrared Combustion
Au, Gold (ppm) 0.600 TBD TBD TBD Pb Fire Assay
Co, Cobalt (ppm) 120 TBD TBD TBD Borate Fusion XRF
Ag, Silver (ppm) 18.0 TBD TBD TBD 4-Acid Digestion
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Certificate DataPack SDS NRAM (249 KB)
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