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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