Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 407 is a massive hematite-apatite ore certified reference material sourced from the Gruvberget Mine of the Svappavaara iron ore operation owned by Luossavaara-Kiirunavaara AB (LKAB) located in Kiruna, Sweden. The CRM contains elevated vanadium and REEs hosted within fluorapatite. Its mineralisation style is iron oxide-apatite (IOA), Kiruna-type and the majority of the magnetite has oxidised to hematite.
Analyte | Certified Value | 1SD | Expanded Uncertainty Low | Expanded Uncertainty High | Method |
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Fe, Iron (wt.%) | 60.69 | 0.284 | 60.30 | 61.08 | Borate Fusion XRF |
FeO, Iron(II) oxide (wt.%) | 0.992 | 0.137 | 0.892 | 1.093 | Classical Wet Chemistry |
Al2O3, Aluminium(III) oxide (wt.%) | 0.246 | 0.034 | 0.222 | 0.270 | Borate Fusion XRF |
CaO, Calcium oxide (wt.%) | 4.18 | 0.043 | 4.14 | 4.22 | Borate Fusion XRF |
Cu, Copper (ppm) | 94 | 18 | 75 | 113 | Borate Fusion XRF |
K2O, Potassium oxide (wt.%) | 0.039 | 0.001 | 0.037 | 0.041 | Borate Fusion XRF |
MgO, Magnesium oxide (wt.%) | 1.10 | 0.031 | 1.08 | 1.12 | Borate Fusion XRF |
MnO, Manganese oxide (wt.%) | 0.044 | 0.003 | 0.041 | 0.047 | Borate Fusion XRF |
Ni, Nickel (ppm) | 195 | 11 | 170 | 221 | Borate Fusion XRF |
P, Phosphorus (wt.%) | 0.748 | 0.009 | 0.739 | 0.756 | Borate Fusion XRF |
S, Sulphur (wt.%) | 0.013 | 0.002 | 0.011 | 0.016 | Borate Fusion XRF |
SiO2, Silicon dioxide (wt.%) | 3.49 | 0.046 | 3.44 | 3.53 | Borate Fusion XRF |
TiO2, Titanium dioxide (wt.%) | 0.027 | 0.006 | 0.020 | 0.034 | Borate Fusion XRF |
V, Vanadium (ppm) | 527 | 13 | 514 | 541 | Borate Fusion XRF |
LOI1000, Loss On Ignition @1000 °C (wt.%) | 2.02 | 0.044 | 1.97 | 2.08 | Thermogravimetry |
Ag, Silver (ppm) | 0.040 | 0.007 | 0.024 | 0.055 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 0.147 | 0.008 | 0.139 | 0.154 | 4-Acid Digestion |
As, Arsenic (ppm) | 37.8 | 3.06 | 35.8 | 39.8 | 4-Acid Digestion |
Ba, Barium (ppm) | 8.71 | 1.06 | 7.61 | 9.82 | 4-Acid Digestion |
Be, Beryllium (ppm) | 0.39 | 0.012 | 0.38 | 0.41 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 0.064 | 0.006 | 0.052 | 0.076 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 2.86 | 0.128 | 2.76 | 2.96 | 4-Acid Digestion |
Cd, Cadmium (ppm) | 0.058 | 0.014 | 0.041 | 0.075 | 4-Acid Digestion |
Ce, Cerium (ppm) | 143 | 8 | 134 | 151 | 4-Acid Digestion |
Co, Cobalt (ppm) | 38.9 | 1.90 | 37.2 | 40.7 | 4-Acid Digestion |
Cr, Chromium (ppm) | 21.9 | 2.3 | 20.3 | 23.6 | 4-Acid Digestion |
Cs, Caesium (ppm) | < 0.050 | IND | IND | IND | 4-Acid Digestion |
Cu, Copper (ppm) | 87 | 4.5 | 82 | 91 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 3.15 | 0.097 | 2.97 | 3.34 | 4-Acid Digestion |
Er, Erbium (ppm) | 1.59 | 0.053 | 1.48 | 1.71 | 4-Acid Digestion |
Eu, Europium (ppm) | 1.17 | 0.045 | 1.11 | 1.22 | 4-Acid Digestion |
Fe, Iron (wt.%) | 60.39 | 0.660 | 59.48 | 61.30 | 4-Acid Digestion |
Ga, Gallium (ppm) | 3.13 | 0.38 | 2.86 | 3.40 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 5.85 | 0.389 | 5.39 | 6.30 | 4-Acid Digestion |
Ge, Germanium (ppm) | 0.38 | 0.08 | 0.27 | 0.50 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 0.10 | 0.007 | 0.09 | 0.12 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.59 | 0.009 | 0.58 | 0.61 | 4-Acid Digestion |
In, Indium (ppm) | 0.041 | 0.005 | 0.034 | 0.049 | 4-Acid Digestion |
K, Potassium (wt.%) | 0.034 | 0.006 | 0.030 | 0.037 | 4-Acid Digestion |
La, Lanthanum (ppm) | 59 | 3.5 | 57 | 62 | 4-Acid Digestion |
Li, Lithium (ppm) | 8.81 | 0.317 | 8.46 | 9.16 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.20 | 0.003 | 0.19 | 0.21 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 0.609 | 0.054 | 0.577 | 0.640 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.033 | 0.002 | 0.031 | 0.034 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 5.36 | 0.235 | 5.10 | 5.62 | 4-Acid Digestion |
Na, Sodium (wt.%) | 0.024 | 0.004 | 0.021 | 0.026 | 4-Acid Digestion |
Nb, Niobium (ppm) | 5.91 | 0.342 | 5.62 | 6.19 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 60 | 2.2 | 57 | 64 | 4-Acid Digestion |
Ni, Nickel (ppm) | 176 | 8 | 170 | 183 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.725 | 0.028 | 0.700 | 0.750 | 4-Acid Digestion |
Pb, Lead (ppm) | 1.72 | 0.137 | 1.52 | 1.92 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 16.8 | 0.53 | 16.2 | 17.4 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 0.92 | 0.032 | 0.86 | 0.98 | 4-Acid Digestion |
Sb, Antimony (ppm) | 2.04 | 0.104 | 1.90 | 2.17 | 4-Acid Digestion |
Sc, Scandium (ppm) | 0.51 | 0.07 | 0.43 | 0.60 | 4-Acid Digestion |
Se, Selenium (ppm) | < 1.00 | IND | IND | IND | 4-Acid Digestion |
Sm, Samarium (ppm) | 8.06 | 0.240 | 7.72 | 8.40 | 4-Acid Digestion |
Sn, Tin (ppm) | 4.83 | 0.62 | 4.35 | 5.31 | 4-Acid Digestion |
Sr, Strontium (ppm) | 22.8 | 1.14 | 21.8 | 23.8 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 0.18 | 0.009 | 0.16 | 0.20 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.60 | 0.008 | 0.58 | 0.62 | 4-Acid Digestion |
Te, Tellurium (ppm) | 0.090 | 0.018 | 0.060 | 0.120 | 4-Acid Digestion |
Th, Thorium (ppm) | 9.24 | 0.414 | 8.83 | 9.65 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.012 | 0.001 | 0.011 | 0.013 | 4-Acid Digestion |
Tl, Thallium (ppm) | < 0.020 | IND | IND | IND | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.20 | 0.007 | 0.19 | 0.22 | 4-Acid Digestion |
U, Uranium (ppm) | 2.42 | 0.142 | 2.29 | 2.55 | 4-Acid Digestion |
V, Vanadium (ppm) | 493 | 35 | 468 | 518 | 4-Acid Digestion |
W, Tungsten (ppm) | 4.47 | 0.301 | 4.20 | 4.74 | 4-Acid Digestion |
Y, Yttrium (ppm) | 17.0 | 0.78 | 16.2 | 17.8 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 1.27 | 0.046 | 1.17 | 1.36 | 4-Acid Digestion |
Zn, Zinc (ppm) | 26.6 | 1.43 | 25.3 | 28.0 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 3.56 | 0.206 | 3.37 | 3.75 | 4-Acid Digestion |