OREAS 751b

OREAS 751b 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.%) 0.492 0.013 0.475 0.509 Borate / Peroxide Fusion ICP
Cs, Caesium (ppm) 89 3.3 85 92 Borate / Peroxide Fusion ICP
Ta, Tantalum (ppm) 132 4 128 137 Borate / Peroxide Fusion ICP
Ag, Silver (ppm) 0.151 0.027 0.127 0.175 4-Acid Digestion
Al, Aluminium (wt.%) 4.67 0.151 4.56 4.78 4-Acid Digestion
As, Arsenic (ppm) 4.13 0.44 3.68 4.58 4-Acid Digestion
Ba, Barium (ppm) 300 11 291 309 4-Acid Digestion
Be, Beryllium (ppm) 6.01 0.253 5.77 6.24 4-Acid Digestion
Bi, Bismuth (ppm) 0.57 0.036 0.52 0.62 4-Acid Digestion
Ca, Calcium (wt.%) 0.499 0.020 0.482 0.516 4-Acid Digestion
Cd, Cadmium (ppm) 0.11 0.03 0.07 0.15 4-Acid Digestion
Ce, Cerium (ppm) 23.6 2.25 21.7 25.4 4-Acid Digestion
Co, Cobalt (ppm) 2.54 0.115 2.39 2.69 4-Acid Digestion
Cr, Chromium (ppm) 18.4 2.6 16.7 20.1 4-Acid Digestion
Cs, Caesium (ppm) 91 4.3 88 94 4-Acid Digestion
Cu, Copper (ppm) 14.6 0.74 13.9 15.3 4-Acid Digestion
Dy, Dysprosium (ppm) 1.23 0.14 1.09 1.37 4-Acid Digestion
Er, Erbium (ppm) 0.48 0.05 0.41 0.54 4-Acid Digestion
Eu, Europium (ppm) 0.43 0.08 0.37 0.50 4-Acid Digestion
Fe2O3, Iron(III) oxide (wt.%) 1.37 0.043 1.34 1.41 4-Acid Digestion
Ga, Gallium (ppm) 28.4 1.54 27.4 29.4 4-Acid Digestion
Gd, Gadolinium (ppm) 1.80 0.108 1.62 1.97 4-Acid Digestion
Hf, Hafnium (ppm) 1.42 0.089 1.32 1.51 4-Acid Digestion
Ho, Holmium (ppm) 0.19 0.016 0.16 0.23 4-Acid Digestion
K, Potassium (wt.%) 1.16 0.032 1.13 1.19 4-Acid Digestion
La, Lanthanum (ppm) 11.6 1.03 10.6 12.5 4-Acid Digestion
Li, Lithium (wt.%) 0.481 0.014 0.468 0.494 4-Acid Digestion
Li2O, Lithium oxide (wt.%) 1.03 0.025 1.00 1.06 4-Acid Digestion
Lu, Lutetium (ppm) 0.053 0.007 0.042 0.063 4-Acid Digestion
Mg, Magnesium (wt.%) 0.224 0.011 0.215 0.232 4-Acid Digestion
Mn, Manganese (wt.%) 0.081 0.002 0.079 0.083 4-Acid Digestion
Mo, Molybdenum (ppm) 2.10 0.091 1.97 2.23 4-Acid Digestion
Na, Sodium (wt.%) 0.648 0.025 0.632 0.663 4-Acid Digestion
Nb, Niobium (ppm) 51 1.6 49 52 4-Acid Digestion
Nd, Neodymium (ppm) 10.7 1.00 9.6 11.9 4-Acid Digestion
Ni, Nickel (ppm) 7.84 0.339 7.44 8.23 4-Acid Digestion
P, Phosphorus (wt.%) 0.042 0.002 0.041 0.043 4-Acid Digestion
Pb, Lead (ppm) 8.16 0.560 7.77 8.54 4-Acid Digestion
Pr, Praseodymium (ppm) 2.80 0.279 2.48 3.13 4-Acid Digestion
Rb, Rubidium (ppm) 769 34 741 797 4-Acid Digestion
Re, Rhenium (ppm) < 0.002 IND IND IND 4-Acid Digestion
S, Sulphur (wt.%) 0.040 0.002 0.039 0.041 4-Acid Digestion
Sb, Antimony (ppm) 0.53 0.040 0.49 0.58 4-Acid Digestion
Sc, Scandium (ppm) 2.57 0.180 2.42 2.72 4-Acid Digestion
Sm, Samarium (ppm) 2.15 0.167 1.93 2.36 4-Acid Digestion
Sn, Tin (ppm) 54 3.2 52 56 4-Acid Digestion
Sr, Strontium (ppm) 54 2.9 52 56 4-Acid Digestion
Ta, Tantalum (ppm) 125 13 117 132 4-Acid Digestion
Tb, Terbium (ppm) 0.25 0.024 0.23 0.28 4-Acid Digestion
Th, Thorium (ppm) 4.89 0.310 4.58 5.20 4-Acid Digestion
Ti, Titanium (wt.%) 0.124 0.006 0.121 0.127 4-Acid Digestion
Tl, Thallium (ppm) 5.19 0.337 4.98 5.41 4-Acid Digestion
Tm, Thulium (ppm) 0.058 0.010 0.040 0.076 4-Acid Digestion
U, Uranium (ppm) 1.99 0.22 1.71 2.27 4-Acid Digestion
V, Vanadium (ppm) 18.6 0.79 17.6 19.6 4-Acid Digestion
W, Tungsten (ppm) 4.63 0.408 4.14 5.13 4-Acid Digestion
Y, Yttrium (ppm) 4.97 0.316 4.67 5.28 4-Acid Digestion
Yb, Ytterbium (ppm) 0.39 0.024 0.35 0.43 4-Acid Digestion
Zn, Zinc (ppm) 112 5 108 115 4-Acid Digestion
Zr, Zirconium (ppm) 25.2 1.97 23.8 26.6 4-Acid Digestion
Al, Aluminium (wt.%) 4.80 0.125 4.67 4.92 Borate / Peroxide Fusion ICP
B, Boron (ppm) 36.9 8.2 21.4 52.3 Borate / Peroxide Fusion ICP
Ba, Barium (ppm) 301 9 291 310 Borate / Peroxide Fusion ICP
Be, Beryllium (ppm) 6.32 0.67 5.43 7.22 Borate / Peroxide Fusion ICP
Bi, Bismuth (ppm) 0.59 0.09 0.47 0.72 Borate / Peroxide Fusion ICP
Ca, Calcium (wt.%) 0.483 0.036 0.452 0.514 Borate / Peroxide Fusion ICP
Ce, Cerium (ppm) 23.4 1.69 21.7 25.0 Borate / Peroxide Fusion ICP
Co, Cobalt (ppm) 2.77 0.46 2.46 3.08 Borate / Peroxide Fusion ICP
Cu, Copper (ppm) 18.2 2.9 15.1 21.3 Borate / Peroxide Fusion ICP
Dy, Dysprosium (ppm) 1.73 0.142 1.51 1.95 Borate / Peroxide Fusion ICP
Er, Erbium (ppm) 0.89 0.11 0.76 1.01 Borate / Peroxide Fusion ICP
Eu, Europium (ppm) 0.42 0.05 0.36 0.47 Borate / Peroxide Fusion ICP
Fe2O3, Iron(III) oxide (wt.%) 1.38 0.060 1.33 1.42 Borate / Peroxide Fusion ICP
Ga, Gallium (ppm) 29.0 1.71 27.3 30.7 Borate / Peroxide Fusion ICP
Gd, Gadolinium (ppm) 2.09 0.191 1.86 2.32 Borate / Peroxide Fusion ICP
Ge, Germanium (ppm) 1.84 0.39 1.37 2.30 Borate / Peroxide Fusion ICP
Ho, Holmium (ppm) 0.33 0.022 0.29 0.36 Borate / Peroxide Fusion ICP
In, Indium (ppm) < 0.20 IND IND IND Borate / Peroxide Fusion ICP
K, Potassium (wt.%) 1.19 0.035 1.14 1.23 Borate / Peroxide Fusion ICP
La, Lanthanum (ppm) 11.4 0.84 10.7 12.2 Borate / Peroxide Fusion ICP
Li2O, Lithium oxide (wt.%) 1.06 0.028 1.02 1.10 Borate / Peroxide Fusion ICP
Lu, Lutetium (ppm) 0.13 0.012 0.11 0.15 Borate / Peroxide Fusion ICP
Mg, Magnesium (wt.%) 0.225 0.012 0.216 0.235 Borate / Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.081 0.003 0.079 0.084 Borate / Peroxide Fusion ICP
Nb, Niobium (ppm) 50 1.7 48 52 Borate / Peroxide Fusion ICP
Nd, Neodymium (ppm) 10.9 0.81 10.0 11.7 Borate / Peroxide Fusion ICP
P, Phosphorus (wt.%) 0.040 0.001 0.039 0.041 Borate / Peroxide Fusion ICP
Pr, Praseodymium (ppm) 2.82 0.193 2.65 2.99 Borate / Peroxide Fusion ICP
Rb, Rubidium (ppm) 762 37 733 791 Borate / Peroxide Fusion ICP
Re, Rhenium (ppm) < 0.10 IND IND IND Borate / Peroxide Fusion ICP
Sb, Antimony (ppm) 0.57 0.11 0.43 0.71 Borate / Peroxide Fusion ICP
Si, Silicon (wt.%) 39.57 1.330 38.31 40.84 Borate / Peroxide Fusion ICP
Sm, Samarium (ppm) 2.21 0.204 2.02 2.41 Borate / Peroxide Fusion ICP
Sn, Tin (ppm) 79 3.3 75 83 Borate / Peroxide Fusion ICP
Sr, Strontium (ppm) 58 6 54 62 Borate / Peroxide Fusion ICP
Tb, Terbium (ppm) 0.30 0.028 0.26 0.33 Borate / Peroxide Fusion ICP
Th, Thorium (ppm) 4.91 0.229 4.54 5.29 Borate / Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.126 0.005 0.118 0.133 Borate / Peroxide Fusion ICP
Tl, Thallium (ppm) 5.34 0.241 5.07 5.60 Borate / Peroxide Fusion ICP
Tm, Thulium (ppm) 0.13 0.02 0.11 0.16 Borate / Peroxide Fusion ICP
U, Uranium (ppm) 2.14 0.23 1.90 2.39 Borate / Peroxide Fusion ICP
V, Vanadium (ppm) 19.4 1.58 17.5 21.3 Borate / Peroxide Fusion ICP
W, Tungsten (ppm) 5.16 0.76 3.90 6.41 Borate / Peroxide Fusion ICP
Y, Yttrium (ppm) 9.07 0.580 8.49 9.64 Borate / Peroxide Fusion ICP
Yb, Ytterbium (ppm) 0.80 0.12 0.64 0.96 Borate / Peroxide Fusion ICP
Zn, Zinc (ppm) 107 9 98 116 Borate / Peroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%) 9.13 0.168 9.00 9.25 Borate Fusion XRF
BaO, Barium oxide (ppm) 329 49 288 371 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.693 0.015 0.679 0.707 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm) < 100 IND IND IND Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%) 1.39 0.022 1.37 1.42 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 1.41 0.018 1.39 1.42 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.379 0.021 0.365 0.394 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 0.106 0.004 0.103 0.109 Borate Fusion XRF
Na2O, Sodium oxide (wt.%) 0.883 0.025 0.863 0.904 Borate Fusion XRF
Nb, Niobium (ppm) 43.4 10.1 32.4 54.4 Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%) 0.093 0.006 0.088 0.098 Borate Fusion XRF
Rb, Rubidium (ppm) 732 44 671 794 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 83.76 0.772 83.06 84.47 Borate Fusion XRF
SO3, Sulphur trioxide (wt.%) 0.091 0.012 0.082 0.101 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.210 0.008 0.198 0.221 Borate Fusion XRF
Zn, Zinc (ppm) 114 17 89 138 Borate Fusion XRF
Zr, Zirconium (ppm) 109 21 82 137 Borate Fusion XRF
LOI1000, Loss On Ignition @1000 °C (wt.%) 0.697 0.082 0.632 0.761 Thermogravimetry
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