OREAS 401

Reference material OREAS 401 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.%) 45.63 0.257 45.53 45.74 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 24.88 0.148 24.83 24.93 Borate Fusion XRF
P, Phosphorus (wt.%) 0.105 0.003 0.104 0.107 Borate Fusion XRF
Al2O3, Aluminium(III) oxide (wt.%) 2.36 0.030 2.34 2.37 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.094 0.006 0.091 0.097 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm) 107 18 95 118 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.010 0.001 0.010 0.011 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.061 0.013 0.053 0.070 Borate Fusion XRF
S, Sulphur (wt.%) 0.022 0.002 0.021 0.023 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.247 0.009 0.242 0.251 Borate Fusion XRF
LOI1000, Loss On Ignition @1000°C (wt.%) 6.71 0.156 6.63 6.80 Thermogravimetry
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Specifications
CRM Group