OREAS 166 Cu (8.75 wt.%) siliceous dolomite
OR166_10g
Item: OR166_10g
Unit of measure: ea
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Description:

OREAS 166 is a high grade copper ore certified reference material (CRM) prepared and certified by Ore Research & Exploration Pth Ltd. The material was sourced from Xstrata's Mt Isa copper ore deposits located near the township of Mt Isa in north-west Queensland. The ore deposits are hosted by brecciated siliceous and dolomitic rock masses within the Urquhart Shale comprising complex and dissociated veins with chalcopyrite, pyrite and pyrrhotite with grades of 3-4% copper. OREAS 166 is one of a suite of seven CRMs characterised for Cu, Fe, S, CaO, MgO, Al2O3, SiO2, Ag, Pb, Zn and Co by both sodium peroxide fusion ICP and 4-acid ICP methods.

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AnalyteCertified Value1SD95% CI Low95% CI HighMethod
Ag, Silver (ppm)10.80.710.311.44-Acid Digestion
Al2O3, Aluminium(III) oxide (wt.%)1.380.051.341.424-Acid Digestion
CaO, Calcium oxide (wt.%)0.980.030.9614-Acid Digestion
Co, Cobalt (ppm)1970108189420464-Acid Digestion
Cu, Copper (wt.%)8.820.278.629.014-Acid Digestion
Fe, Iron (wt.%)11.380.1911.3311.434-Acid Digestion
MgO, Magnesium oxide (wt.%)1.670.051.631.714-Acid Digestion
Pb, Lead (ppm)14091331464-Acid Digestion
S, Sulphur (wt.%)11.60.610.912.34-Acid Digestion
Zn, Zinc (ppm)37235394-Acid Digestion
Ag, Silver (ppm)121815Peroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%)1.340.051.31.37Peroxide Fusion ICP
CaO, Calcium oxide (wt.%)0.980.050.941.01Peroxide Fusion ICP
Co, Cobalt (ppm)207714219892165Peroxide Fusion ICP
Cu, Copper (wt.%)8.750.358.548.97Peroxide Fusion ICP
Fe, Iron (wt.%)11.450.4311.1511.75Peroxide Fusion ICP
MgO, Magnesium oxide (wt.%)1.670.041.651.69Peroxide Fusion ICP
Pb, Lead (ppm)12827108148Peroxide Fusion ICP
S, Sulphur (wt.%)11.290.3311.0411.54Peroxide Fusion ICP
SiO2, Silicon dioxide (wt.%)61.426062.9Peroxide Fusion ICP
Zn, Zinc (ppm)37102351Peroxide Fusion ICP