OREAS 750b

OREAS 750b has been prepared from a blend of spodumene concentrate derived from the processing of lithium pegmatite ores sourced from the Greenbushes area of southwest Western Australia, Londonderry lithium-pegmatite ore (containing elevated levels of lithium, rubidium, cesium, tin and tantalum), barren granodiorite and quartz. The barren granodiorite was sourced from the mafic, S-Type, Late Devonian Bulla Granodiorite complex located in northern Melbourne, Australia. The certification program includes:

  • Sodium peroxide fusion with full suite elemental package by ICP-OES and/or MS finish
  • Lithium borate fusion whole rock analysis package by X-ray fluorescence
  • Thermogravimetry: Loss on Ignition (LOI) at 1000°C
  • 4-acid digestion for full suite elemental package by ICP-OES and MS finish
Analyte Certified Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Li, Lithium (wt.%) 0.246 0.009 0.237 0.255 Borate / Peroxide Fusion ICP
Cs, Caesium (ppm) 39.1 1.61 37.7 40.4 Borate / Peroxide Fusion ICP
Ta, Tantalum (ppm) 69 3.9 64 73 Borate / Peroxide Fusion ICP
Ag, Silver (ppm) 0.094 0.019 0.071 0.117 4-Acid Digestion
Al, Aluminium (wt.%) 3.91 0.150 3.81 4.01 4-Acid Digestion
As, Arsenic (ppm) 2.88 0.51 2.40 3.36 4-Acid Digestion
Ba, Barium (ppm) 370 10 361 379 4-Acid Digestion
Be, Beryllium (ppm) 3.53 0.211 3.38 3.67 4-Acid Digestion
Bi, Bismuth (ppm) 0.44 0.06 0.38 0.50 4-Acid Digestion
Ca, Calcium (wt.%) 0.609 0.023 0.589 0.628 4-Acid Digestion
Cd, Cadmium (ppm) 0.090 0.032 0.061 0.119 4-Acid Digestion
Ce, Cerium (ppm) 29.8 2.12 27.6 31.9 4-Acid Digestion
Co, Cobalt (ppm) 2.99 0.147 2.87 3.12 4-Acid Digestion
Cr, Chromium (ppm) 17.9 3.3 15.6 20.3 4-Acid Digestion
Cs, Caesium (ppm) 39.2 1.34 38.0 40.5 4-Acid Digestion
Cu, Copper (ppm) 10.7 0.93 10.0 11.5 4-Acid Digestion
Dy, Dysprosium (ppm) 1.52 0.145 1.37 1.67 4-Acid Digestion
Er, Erbium (ppm) 0.59 0.047 0.53 0.65 4-Acid Digestion
Eu, Europium (ppm) 0.52 0.06 0.45 0.58 4-Acid Digestion
Fe2O3, Iron(III) oxide (wt.%) 1.53 0.054 1.49 1.58 4-Acid Digestion
Ga, Gallium (ppm) 16.8 0.93 16.2 17.5 4-Acid Digestion
Gd, Gadolinium (ppm) 2.28 0.121 2.09 2.47 4-Acid Digestion
Hf, Hafnium (ppm) 1.21 0.091 1.12 1.30 4-Acid Digestion
Ho, Holmium (ppm) 0.24 0.013 0.21 0.27 4-Acid Digestion
In, Indium (ppm) 0.021 0.004 0.017 0.025 4-Acid Digestion
K, Potassium (wt.%) 1.15 0.041 1.12 1.18 4-Acid Digestion
La, Lanthanum (ppm) 14.4 1.14 13.5 15.4 4-Acid Digestion
Li, Lithium (wt.%) 0.245 0.007 0.238 0.251 4-Acid Digestion
Li2O, Lithium oxide (wt.%) 0.527 0.015 0.513 0.541 4-Acid Digestion
Lu, Lutetium (ppm) 0.065 0.009 0.054 0.077 4-Acid Digestion
Mg, Magnesium (wt.%) 0.267 0.012 0.257 0.276 4-Acid Digestion
Mn, Manganese (wt.%) 0.039 0.001 0.038 0.040 4-Acid Digestion
Mo, Molybdenum (ppm) 1.60 0.088 1.47 1.73 4-Acid Digestion
Na, Sodium (wt.%) 0.755 0.034 0.734 0.775 4-Acid Digestion
Nb, Niobium (ppm) 28.4 1.51 27.3 29.6 4-Acid Digestion
Nd, Neodymium (ppm) 13.5 0.99 12.4 14.6 4-Acid Digestion
Ni, Nickel (ppm) 7.66 0.329 7.25 8.07 4-Acid Digestion
P, Phosphorus (wt.%) 0.039 0.002 0.038 0.041 4-Acid Digestion
Pb, Lead (ppm) 9.55 0.436 9.17 9.93 4-Acid Digestion
Pr, Praseodymium (ppm) 3.65 0.229 3.34 3.96 4-Acid Digestion
Rb, Rubidium (ppm) 288 15 276 299 4-Acid Digestion
Re, Rhenium (ppm) < 0.002 IND IND IND 4-Acid Digestion
S, Sulphur (wt.%) 0.045 0.004 0.041 0.049 4-Acid Digestion
Sb, Antimony (ppm) 0.39 0.04 0.35 0.42 4-Acid Digestion
Sc, Scandium (ppm) 3.20 0.244 3.00 3.40 4-Acid Digestion
Sm, Samarium (ppm) 2.69 0.180 2.47 2.91 4-Acid Digestion
Sn, Tin (ppm) 25.8 1.81 24.3 27.2 4-Acid Digestion
Sr, Strontium (ppm) 60 3.0 58 63 4-Acid Digestion
Ta, Tantalum (ppm) 64 5.5 61 67 4-Acid Digestion
Tb, Terbium (ppm) 0.31 0.023 0.28 0.33 4-Acid Digestion
Te, Tellurium (ppm) < 0.050 IND IND IND 4-Acid Digestion
Th, Thorium (ppm) 5.94 0.445 5.61 6.27 4-Acid Digestion
Ti, Titanium (wt.%) 0.151 0.006 0.145 0.156 4-Acid Digestion
Tl, Thallium (ppm) 1.93 0.105 1.86 2.00 4-Acid Digestion
Tm, Thulium (ppm) 0.071 0.009 0.054 0.088 4-Acid Digestion
U, Uranium (ppm) 1.91 0.161 1.70 2.13 4-Acid Digestion
V, Vanadium (ppm) 22.8 0.94 21.6 23.9 4-Acid Digestion
W, Tungsten (ppm) 5.08 0.471 4.52 5.64 4-Acid Digestion
Y, Yttrium (ppm) 6.13 0.316 5.81 6.45 4-Acid Digestion
Yb, Ytterbium (ppm) 0.46 0.05 0.40 0.53 4-Acid Digestion
Zn, Zinc (ppm) 60 3.5 57 62 4-Acid Digestion
Zr, Zirconium (ppm) 27.8 2.28 26.0 29.7 4-Acid Digestion
Al, Aluminium (wt.%) 4.02 0.139 3.92 4.11 Borate / Peroxide Fusion ICP
Ba, Barium (ppm) 371 12 358 384 Borate / Peroxide Fusion ICP
Be, Beryllium (ppm) 3.88 0.62 3.31 4.45 Borate / Peroxide Fusion ICP
Bi, Bismuth (ppm) 0.46 0.12 0.24 0.67 Borate / Peroxide Fusion ICP
Ca, Calcium (wt.%) 0.601 0.036 0.551 0.650 Borate / Peroxide Fusion ICP
Ce, Cerium (ppm) 29.6 1.75 28.0 31.1 Borate / Peroxide Fusion ICP
Co, Cobalt (ppm) 3.13 0.296 2.90 3.37 Borate / Peroxide Fusion ICP
Dy, Dysprosium (ppm) 2.21 0.122 1.99 2.43 Borate / Peroxide Fusion ICP
Er, Erbium (ppm) 1.13 0.084 0.98 1.28 Borate / Peroxide Fusion ICP
Eu, Europium (ppm) 0.52 0.046 0.45 0.58 Borate / Peroxide Fusion ICP
Fe2O3, Iron(III) oxide (wt.%) 1.56 0.043 1.50 1.61 Borate / Peroxide Fusion ICP
Ga, Gallium (ppm) 16.9 0.83 15.9 18.0 Borate / Peroxide Fusion ICP
Gd, Gadolinium (ppm) 2.64 0.256 2.34 2.95 Borate / Peroxide Fusion ICP
Ge, Germanium (ppm) 1.49 0.43 0.51 2.47 Borate / Peroxide Fusion ICP
Ho, Holmium (ppm) 0.40 0.029 0.35 0.44 Borate / Peroxide Fusion ICP
In, Indium (ppm) < 0.20 IND IND IND Borate / Peroxide Fusion ICP
K, Potassium (wt.%) 1.18 0.052 1.14 1.23 Borate / Peroxide Fusion ICP
La, Lanthanum (ppm) 14.6 0.94 13.4 15.8 Borate / Peroxide Fusion ICP
Li2O, Lithium oxide (wt.%) 0.529 0.020 0.510 0.548 Borate / Peroxide Fusion ICP
Lu, Lutetium (ppm) 0.16 0.02 0.12 0.19 Borate / Peroxide Fusion ICP
Mg, Magnesium (wt.%) 0.266 0.013 0.254 0.278 Borate / Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.039 0.001 0.038 0.040 Borate / Peroxide Fusion ICP
Nb, Niobium (ppm) 29.3 1.23 27.5 31.1 Borate / Peroxide Fusion ICP
Nd, Neodymium (ppm) 13.2 0.76 12.2 14.2 Borate / Peroxide Fusion ICP
P, Phosphorus (wt.%) 0.039 0.003 0.038 0.040 Borate / Peroxide Fusion ICP
Pb, Lead (ppm) 9.64 0.925 8.14 11.14 Borate / Peroxide Fusion ICP
Pr, Praseodymium (ppm) 3.49 0.242 3.27 3.70 Borate / Peroxide Fusion ICP
Rb, Rubidium (ppm) 287 12 273 300 Borate / Peroxide Fusion ICP
Re, Rhenium (ppm) < 0.10 IND IND IND Borate / Peroxide Fusion ICP
Si, Silicon (wt.%) 40.13 1.355 38.92 41.34 Borate / Peroxide Fusion ICP
Sm, Samarium (ppm) 2.79 0.176 2.52 3.06 Borate / Peroxide Fusion ICP
Sn, Tin (ppm) 38.7 2.18 36.6 40.9 Borate / Peroxide Fusion ICP
Sr, Strontium (ppm) 62 8 57 67 Borate / Peroxide Fusion ICP
Tb, Terbium (ppm) 0.40 0.021 0.36 0.44 Borate / Peroxide Fusion ICP
Th, Thorium (ppm) 5.96 0.245 5.58 6.33 Borate / Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.154 0.008 0.145 0.163 Borate / Peroxide Fusion ICP
Tl, Thallium (ppm) 1.96 0.096 1.84 2.09 Borate / Peroxide Fusion ICP
Tm, Thulium (ppm) 0.16 0.013 0.14 0.18 Borate / Peroxide Fusion ICP
U, Uranium (ppm) 2.28 0.31 1.90 2.65 Borate / Peroxide Fusion ICP
V, Vanadium (ppm) 22.8 2.6 20.7 24.8 Borate / Peroxide Fusion ICP
W, Tungsten (ppm) 5.54 0.76 4.37 6.71 Borate / Peroxide Fusion ICP
Y, Yttrium (ppm) 11.4 0.82 10.4 12.3 Borate / Peroxide Fusion ICP
Yb, Ytterbium (ppm) 1.04 0.13 0.87 1.21 Borate / Peroxide Fusion ICP
Zn, Zinc (ppm) 57 10 49 64 Borate / Peroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%) 7.63 0.117 7.56 7.70 Borate Fusion XRF
BaO, Barium oxide (ppm) 407 43 337 478 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.851 0.016 0.836 0.867 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm) < 100 IND IND IND Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%) 1.56 0.027 1.54 1.59 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 1.39 0.016 1.38 1.41 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.452 0.023 0.431 0.473 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 0.050 0.002 0.050 0.051 Borate Fusion XRF
Na2O, Sodium oxide (wt.%) 1.01 0.037 0.98 1.04 Borate Fusion XRF
Nb, Niobium (ppm) < 50 IND IND IND Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%) 0.088 0.007 0.083 0.093 Borate Fusion XRF
Rb, Rubidium (ppm) 259 21 229 290 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 85.46 0.785 84.85 86.08 Borate Fusion XRF
SO3, Sulphur trioxide (wt.%) 0.105 0.014 0.093 0.117 Borate Fusion XRF
SrO, Strontium oxide (ppm) 96 19 80 112 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.257 0.009 0.248 0.265 Borate Fusion XRF
LOI1000, Loss On Ignition @1000 °C (wt.%) 0.570 0.106 0.500 0.640 Thermogravimetry
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