OREAS 452

OREAS 452 was prepared predominantly from nontronitic nickel-cobalt laterite ore sourced from Bulong, Western Australia, with minor additions of weathered basaltic material and other lateritic and saprolitic nickel materials to achieve the target nickel, cobalt and matrix composition.

Twenty-eight commercial analytical laboratories participated in the program to certify the elements reported below using the following methods:

  • Borate Fusion XRF- Majors and some traces, including Loss on Ignition (LOI) at 1000 °C
  • Lithium borate or sodium peroxide fusion with full suite elemental package by ICP-OES and/or MS finish
  • Carbon and sulphur by infrared combustion furnace/CS analyser

Homogeneity was evaluated using 12 subsamples analysed by lithium borate fusion with X-ray fluorescence finish. ANOVA was applied to duplicates from six test units to compare within- and between-unit variances, providing a statistical measure of batch homogeneity.

Analyte Certified Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Ni, Nickel (wt.%) 1.06 0.011 1.05 1.07 Borate Fusion XRF
Co, Cobalt (ppm) 805 14 791 819 Borate Fusion XRF
Sc, Scandium (ppm) 28.5 3.4 26.1 30.9 Borate / Peroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%) 8.35 0.062 8.28 8.41 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.772 0.018 0.760 0.785 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (wt.%) 1.02 0.022 1.01 1.04 Borate Fusion XRF
Cu, Copper (ppm) 107 19 92 123 Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%) 34.34 0.217 34.09 34.59 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.200 0.012 0.189 0.211 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 3.68 0.063 3.63 3.72 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 0.303 0.007 0.297 0.308 Borate Fusion XRF
Na2O, Sodium oxide (wt.%) 0.888 0.057 0.852 0.924 Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%) 0.020 0.001 0.018 0.022 Borate Fusion XRF
Pb, Lead (ppm) < 50 IND IND IND Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 39.27 0.252 38.97 39.56 Borate Fusion XRF
SO3, Sulphur trioxide (wt.%) 0.336 0.035 0.305 0.367 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.343 0.013 0.329 0.356 Borate Fusion XRF
V2O5, Vanadium(V) oxide (ppm) 188 32 126 250 Borate Fusion XRF
Zn, Zinc (ppm) 153 11 142 164 Borate Fusion XRF
LOI1000, Loss on ignition @1000 °C (wt.%) 9.22 0.395 8.98 9.47 Thermogravimetry
Al, Aluminium (wt.%) 4.19 0.153 4.08 4.29 Borate / Peroxide Fusion ICP
B, Boron (ppm) 55 8 43 67 Borate / Peroxide Fusion ICP
Ba, Barium (ppm) 133 7 127 139 Borate / Peroxide Fusion ICP
Be, Beryllium (ppm) < 1.00 IND IND IND Borate / Peroxide Fusion ICP
Ca, Calcium (wt.%) 0.535 0.078 0.485 0.585 Borate / Peroxide Fusion ICP
Cd, Cadmium (ppm) < 10.0 IND IND IND Borate / Peroxide Fusion ICP
Ce, Cerium (ppm) 18.2 1.14 16.9 19.5 Borate / Peroxide Fusion ICP
Co, Cobalt (ppm) 792 36 770 815 Borate / Peroxide Fusion ICP
Cr, Chromium (wt.%) 0.673 0.036 0.649 0.696 Borate / Peroxide Fusion ICP
Cs, Caesium (ppm) 0.48 0.07 0.36 0.61 Borate / Peroxide Fusion ICP
Cu, Copper (ppm) 103 9 96 111 Borate / Peroxide Fusion ICP
Dy, Dysprosium (ppm) 1.28 0.093 1.16 1.41 Borate / Peroxide Fusion ICP
Er, Erbium (ppm) 0.74 0.09 0.65 0.83 Borate / Peroxide Fusion ICP
Eu, Europium (ppm) 0.39 0.032 0.34 0.44 Borate / Peroxide Fusion ICP
Fe, Iron (wt.%) 22.69 0.871 22.09 23.28 Borate / Peroxide Fusion ICP
Ga, Gallium (ppm) 8.22 0.736 7.38 9.05 Borate / Peroxide Fusion ICP
Gd, Gadolinium (ppm) 1.34 0.072 1.25 1.43 Borate / Peroxide Fusion ICP
Ho, Holmium (ppm) 0.25 0.03 0.22 0.29 Borate / Peroxide Fusion ICP
In, Indium (ppm) < 0.10 IND IND IND Borate / Peroxide Fusion ICP
K, Potassium (wt.%) 0.167 0.022 0.143 0.191 Borate / Peroxide Fusion ICP
La, Lanthanum (ppm) 4.34 0.306 4.07 4.61 Borate / Peroxide Fusion ICP
Li, Lithium (ppm) 7.47 1.07 6.01 8.92 Borate / Peroxide Fusion ICP
Lu, Lutetium (ppm) 0.12 0.01 0.09 0.14 Borate / Peroxide Fusion ICP
Mg, Magnesium (wt.%) 2.10 0.071 2.03 2.16 Borate / Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.222 0.011 0.215 0.229 Borate / Peroxide Fusion ICP
Mo, Molybdenum (ppm) 3.87 0.62 3.21 4.53 Borate / Peroxide Fusion ICP
Nd, Neodymium (ppm) 5.08 0.404 4.65 5.52 Borate / Peroxide Fusion ICP
Ni, Nickel (wt.%) 1.01 0.061 0.97 1.04 Borate / Peroxide Fusion ICP
P, Phosphorus (wt.%) 0.010 0.002 0.008 0.011 Borate / Peroxide Fusion ICP
Pb, Lead (ppm) < 100 IND IND IND Borate / Peroxide Fusion ICP
Pr, Praseodymium (ppm) 1.29 0.112 1.18 1.40 Borate / Peroxide Fusion ICP
Rb, Rubidium (ppm) 6.19 0.91 5.19 7.19 Borate / Peroxide Fusion ICP
Re, Rhenium (ppm) < 0.10 IND IND IND Borate / Peroxide Fusion ICP
S, Sulphur (wt.%) 0.138 0.011 0.128 0.149 Borate / Peroxide Fusion ICP
Sb, Antimony (ppm) 0.83 0.15 0.55 1.10 Borate / Peroxide Fusion ICP
Se, Selenium (ppm) < 20.0 IND IND IND Borate / Peroxide Fusion ICP
Si, Silicon (wt.%) 17.90 0.617 17.36 18.43 Borate / Peroxide Fusion ICP
Sm, Samarium (ppm) 1.31 0.15 1.18 1.44 Borate / Peroxide Fusion ICP
Sr, Strontium (ppm) 34.9 3.27 32.2 37.7 Borate / Peroxide Fusion ICP
Tb, Terbium (ppm) 0.21 0.017 0.19 0.23 Borate / Peroxide Fusion ICP
Te, Tellurium (ppm) < 1.00 IND IND IND Borate / Peroxide Fusion ICP
Th, Thorium (ppm) 1.18 0.110 1.09 1.27 Borate / Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.199 0.009 0.191 0.207 Borate / Peroxide Fusion ICP
Tm, Thulium (ppm) 0.11 0.01 0.09 0.12 Borate / Peroxide Fusion ICP
U, Uranium (ppm) 0.54 0.049 0.49 0.58 Borate / Peroxide Fusion ICP
V, Vanadium (ppm) 105 6 100 111 Borate / Peroxide Fusion ICP
W, Tungsten (ppm) 2.55 0.51 1.76 3.34 Borate / Peroxide Fusion ICP
Y, Yttrium (ppm) 5.00 0.244 4.52 5.47 Borate / Peroxide Fusion ICP
Yb, Ytterbium (ppm) 0.80 0.064 0.71 0.89 Borate / Peroxide Fusion ICP
Zn, Zinc (ppm) 156 14 145 166 Borate / Peroxide Fusion ICP
Zr, Zirconium (ppm) 39.4 5.1 32.9 45.9 Borate / Peroxide Fusion ICP
C, Carbon (wt.%) 0.186 0.035 0.166 0.206 Infrared Combustion
S, Sulphur (wt.%) 0.124 0.016 0.110 0.137 Infrared Combustion
Downloads
Certificate DataPack SDS NRAM (206 KB)
Add to Cart
Stock
  • Pack Size
    Price
    Stock Level
  • 10g Sachet
    $4.50
    61,000 +
  • 500g Jar
    $159.00
    1,200 +
Specifications