OREAS 402

Reference material OREAS 402 is one of a suite of six CRMs sourced from hematite iron ore samples from the Spinifex Ridge deposit owned by Moly Mines Limited. Areas of enriched iron occur within the banded iron formation of the Gorge Creek Group located approximately 170km east of Port Hedland in Western Australia.

Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Fe, Iron (wt.%) 48.41 0.298 48.30 48.51 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 19.77 0.170 19.72 19.81 Borate Fusion XRF
P, Phosphorus (wt.%) 0.119 0.002 0.119 0.120 Borate Fusion XRF
Al2O3, Aluminium(III) oxide (wt.%) 2.49 0.038 2.47 2.51 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.090 0.002 0.089 0.091 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm) 109 16 96 122 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.010 0.001 0.010 0.010 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.072 0.014 0.064 0.080 Borate Fusion XRF
S, Sulphur (wt.%) 0.024 0.002 0.023 0.026 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.288 0.008 0.284 0.292 Borate Fusion XRF
LOI1000, Loss On Ignition @1000°C (wt.%) 7.64 0.088 7.59 7.69 Thermogravimetry
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CRM Group