OREAS 403
oxide
hematitic
BIF-hosted
OREAS 403
SKU: 403
Reference material OREAS 403 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.
Specifications
- State: oxide
- Matrix: hematitic
- Mineralisation: BIF-hosted
- CRM Group: Fe ore
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Fe, Iron (wt.%) | 52.31 | 0.310 | 52.19 | 52.43 | Borate Fusion XRF |
| SiO2, Silicon dioxide (wt.%) | 13.67 | 0.099 | 13.63 | 13.71 | Borate Fusion XRF |
| P, Phosphorus (wt.%) | 0.123 | 0.002 | 0.122 | 0.124 | Borate Fusion XRF |
| Al2O3, Aluminium(III) oxide (wt.%) | 2.63 | 0.032 | 2.62 | 2.64 | Borate Fusion XRF |
| CaO, Calcium oxide (wt.%) | 0.106 | 0.005 | 0.104 | 0.108 | Borate Fusion XRF |
| Cr2O3, Chromium(III) oxide (ppm) | 109 | 15 | 98 | 120 | Borate Fusion XRF |
| K2O, Potassium oxide (wt.%) | 0.011 | 0.002 | 0.010 | 0.011 | Borate Fusion XRF |
| MgO, Magnesium oxide (wt.%) | 0.077 | 0.015 | 0.068 | 0.086 | Borate Fusion XRF |
| S, Sulphur (wt.%) | 0.026 | 0.002 | 0.024 | 0.027 | Borate Fusion XRF |
| TiO2, Titanium dioxide (wt.%) | 0.289 | 0.009 | 0.284 | 0.293 | Borate Fusion XRF |
| V, Vanadium (ppm) | 34.5 | 6.9 | 29.5 | 39.5 | Borate Fusion XRF |
| LOI1000, Loss on ignition @1000 °C (wt.%) | 8.00 | 0.154 | 7.91 | 8.09 | Thermogravimetry |
Product Specifications
State
oxide
Matrix
hematitic
Mineralisation
BIF-hosted
Availability
available
Certified Reference Values
| Analyte | Certified Value | Uncertainty (1SD) | 95% Confidence Low | 95% Confidence High | Method |
|---|
SD = Standard Deviation | CL = 95% Confidence Limits
Methods: AR = Aqua Regia, 4-Acid = 4-Acid Digestion, LBF = Lithium Borate Fusion, FA/AAS = Fire Assay with Atomic Absorption, LECO = LECO Combustion Analysis
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