OREAS 111

OREAS 111 is a medium grade Cu ore certified reference material (CRM) prepared from material sourced from the Tritton Copper Project near Nyngan, New South Wales. The deposit consists of sulphide ore bodies (massive pyrite and chalcopyrite breccias) underlying oxide ores. OREAS 111 has a pigeon pair with OREAS 111b which is ~4% (relative) higher in Cu grade. OREAS 111 is one of a suite of five CRMs and was prepared from massive pyrite ore material. All five CRMs have been characterised for Ag, As, Cd, Co, Cu, Fe, Pb, Sb and Zn by 4-acid with ICP and sodium peroxide fusion with ICP methods.

Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Cu, Copper (wt.%) 2.30 0.120 2.21 2.39 Peroxide Fusion ICP
Fe, Iron (wt.%) 34.10 3.400 31.20 36.90 Peroxide Fusion ICP
Ag, Silver (ppm) < 20.0 IND IND IND Peroxide Fusion ICP
As, Arsenic (ppm) 217 20 188 245 Peroxide Fusion ICP
Cd, Cadmium (ppm) 14.0 1.00 12.0 17.0 Peroxide Fusion ICP
Co, Cobalt (ppm) 457 9 436 478 Peroxide Fusion ICP
Pb, Lead (ppm) 375 12 356 393 Peroxide Fusion ICP
Sb, Antimony (ppm) 19.0 3.0 14.0 24.0 Peroxide Fusion ICP
Zn, Zinc (ppm) 4099 249 3893 4304 Peroxide Fusion ICP
Ag, Silver (ppm) 10.1 0.90 9.6 10.6 4-Acid Digestion
As, Arsenic (ppm) 215 15 201 229 4-Acid Digestion
Cd, Cadmium (ppm) 12.0 1.7 10.7 13.3 4-Acid Digestion
Co, Cobalt (ppm) 452 20 437 467 4-Acid Digestion
Cu, Copper (wt.%) 2.37 0.110 2.30 2.44 4-Acid Digestion
Fe, Iron (wt.%) 35.20 2.000 33.80 36.60 4-Acid Digestion
Pb, Lead (ppm) 377 26 359 395 4-Acid Digestion
Sb, Antimony (ppm) 18.0 3.0 15.0 21.0 4-Acid Digestion
Zn, Zinc (ppm) 4196 228 4049 4342 4-Acid Digestion
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Pricing & Stock
  • Pack Size
    Price
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  • 10g Sachet
    $3.30
    10,000 +
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CRM Group