OREAS 406

Reference material OREAS 406 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.%) 61.44 0.296 61.32 61.56 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 7.96 0.066 7.93 7.99 Borate Fusion XRF
P, Phosphorus (wt.%) 0.085 0.003 0.084 0.087 Borate Fusion XRF
Al2O3, Aluminium(III) oxide (wt.%) 1.14 0.020 1.13 1.14 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.157 0.007 0.154 0.160 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.019 0.003 0.018 0.020 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 0.039 0.002 0.038 0.040 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.047 0.006 0.044 0.050 Borate Fusion XRF
LOI1000, Loss On Ignition @1000°C (wt.%) 2.69 0.071 2.65 2.73 Thermogravimetry
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Specifications
CRM Group