OREAS 162 Cu (0.761 wt.%) siliceous dolomite
OR162_10g
Item: OR162_10g
Unit of measure: ea
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Description:

OREAS 162 is a low 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 162 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)3.50.63.13.94-Acid Digestion
Al2O3, Aluminium(III) oxide (wt.%)1.70.071.641.754-Acid Digestion
CaO, Calcium oxide (wt.%)13.20.512.813.54-Acid Digestion
Co, Cobalt (ppm)631246136484-Acid Digestion
Cu, Copper (wt.%)0.7720.0260.7510.7924-Acid Digestion
Fe, Iron (wt.%)8.570.168.468.684-Acid Digestion
MgO, Magnesium oxide (wt.%)9.170.179.069.284-Acid Digestion
Pb, Lead (ppm)340173273534-Acid Digestion
S, Sulphur (wt.%)4.380.184.194.584-Acid Digestion
Zn, Zinc (ppm)26124274-Acid Digestion
Ag, Silver (ppm)10INDINDINDPeroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%)1.640.041.621.67Peroxide Fusion ICP
CaO, Calcium oxide (wt.%)13.11.112.413.9Peroxide Fusion ICP
Co, Cobalt (ppm)66036634687Peroxide Fusion ICP
Cu, Copper (wt.%)0.7610.0360.7370.786Peroxide Fusion ICP
Fe, Iron (wt.%)8.630.318.398.87Peroxide Fusion ICP
MgO, Magnesium oxide (wt.%)9.040.368.789.31Peroxide Fusion ICP
Pb, Lead (ppm)32042291349Peroxide Fusion ICP
S, Sulphur (wt.%)4.40.24.254.55Peroxide Fusion ICP
SiO2, Silicon dioxide (wt.%)40.40.840.140.8Peroxide Fusion ICP
Zn, Zinc (ppm)50INDINDINDPeroxide Fusion ICP