Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 682 is a platinum group element (PGE) ore certified reference material (CRM) prepared and certified by Ore Research & Exploration Pty Ltd. OREAS 682 has been prepared from PGE ores blended with barren gabbro-norite. The PGE ores were sourced from the Merensky Reef and foot wall of the Merensky Reef of the Bushveld Complex, from sites owned and operated by Anglo American Platinum, South Africa. The common minerals of economic importance within a pegmatitic pyroxenite host are sulphides of iron, nickel, copper and alloys of the PGE’s. The barren gabbro-norite was sourced from the Late Cambrian Black Hill Norite Complex located 85km east of Adelaide, Australia. OREAS 682 is one of a suite of five PGE ore CRMs ranging in 4E concentrations (4E = 4 elements; platinum (Pt), palladium (Pd), rhodium (Rh) and gold (Au)) from 0.82 to 6.1ppm.
Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
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Au, Gold (ppb) | 75.3 | 3.98 | 73.7 | 76.8 | Pb Fire Assay |
Pd, Palladium (ppb) | 444 | 19 | 436 | 453 | Pb Fire Assay |
Pt, Platinum (ppb) | 868 | 38 | 850 | 886 | Pb Fire Assay |
Au, Gold (ppb) | 71.6 | 3.35 | 67.6 | 75.5 | NiS Fire Assay |
Ir, Iridium (ppb) | 20.2 | 1.0 | 19.3 | 21.1 | NiS Fire Assay |
Pd, Palladium (ppb) | 440 | 26 | 422 | 458 | NiS Fire Assay |
Pt, Platinum (ppb) | 820 | 52 | 783 | 856 | NiS Fire Assay |
Rh, Rhodium (ppb) | 60.3 | 1.9 | 59.0 | 61.7 | NiS Fire Assay |
Ru, Ruthenium (ppb) | 112 | 10 | 105 | 120 | NiS Fire Assay |
Al, Aluminium (wt.%) | 8.87 | 0.166 | 8.79 | 8.95 | Peroxide Fusion ICP |
Ba, Barium (ppm) | 376 | 22 | 363 | 390 | Peroxide Fusion ICP |
Ca, Calcium (wt.%) | 6.62 | 0.174 | 6.54 | 6.71 | Peroxide Fusion ICP |
Co, Cobalt (ppm) | 52 | 3.8 | 51 | 53 | Peroxide Fusion ICP |
Cr, Chromium (ppm) | 3701 | 157 | 3623 | 3780 | Peroxide Fusion ICP |
Cs, Caesium (ppm) | 3.57 | 0.223 | 3.39 | 3.76 | Peroxide Fusion ICP |
Cu, Copper (ppm) | 261 | 15 | 255 | 268 | Peroxide Fusion ICP |
Dy, Dysprosium (ppm) | 2.92 | 0.219 | 2.74 | 3.09 | Peroxide Fusion ICP |
Er, Erbium (ppm) | 1.62 | 0.147 | 1.53 | 1.71 | Peroxide Fusion ICP |
Eu, Europium (ppm) | 1.25 | 0.102 | 1.16 | 1.33 | Peroxide Fusion ICP |
Fe, Iron (wt.%) | 6.94 | 0.217 | 6.83 | 7.05 | Peroxide Fusion ICP |
Ga, Gallium (ppm) | 18.3 | 1.04 | 17.6 | 18.9 | Peroxide Fusion ICP |
Gd, Gadolinium (ppm) | 3.66 | 0.41 | 3.23 | 4.09 | Peroxide Fusion ICP |
Ho, Holmium (ppm) | 0.55 | 0.06 | 0.52 | 0.58 | Peroxide Fusion ICP |
K, Potassium (wt.%) | 1.18 | 0.047 | 1.15 | 1.20 | Peroxide Fusion ICP |
La, Lanthanum (ppm) | 17.3 | 1.09 | 16.4 | 18.3 | Peroxide Fusion ICP |
Li, Lithium (ppm) | 12.8 | 1.18 | 12.0 | 13.5 | Peroxide Fusion ICP |
Lu, Lutetium (ppm) | 0.22 | 0.03 | 0.20 | 0.24 | Peroxide Fusion ICP |
Mg, Magnesium (wt.%) | 4.95 | 0.157 | 4.86 | 5.03 | Peroxide Fusion ICP |
Mn, Manganese (wt.%) | 0.120 | 0.004 | 0.118 | 0.123 | Peroxide Fusion ICP |
Nb, Niobium (ppm) | 5.16 | 0.97 | 4.47 | 5.86 | Peroxide Fusion ICP |
Nd, Neodymium (ppm) | 19.4 | 0.76 | 18.8 | 20.0 | Peroxide Fusion ICP |
Ni, Nickel (ppm) | 572 | 30 | 556 | 588 | Peroxide Fusion ICP |
P, Phosphorus (wt.%) | 0.123 | 0.010 | 0.117 | 0.129 | Peroxide Fusion ICP |
Pb, Lead (ppm) | 10.1 | 1.8 | 8.2 | 12.0 | Peroxide Fusion ICP |
Pr, Praseodymium (ppm) | 4.66 | 0.137 | 4.56 | 4.76 | Peroxide Fusion ICP |
Rb, Rubidium (ppm) | 72 | 2.3 | 70 | 73 | Peroxide Fusion ICP |
S, Sulphur (wt.%) | 0.111 | 0.018 | 0.101 | 0.120 | Peroxide Fusion ICP |
Sc, Scandium (ppm) | 21.4 | 2.3 | 19.5 | 23.3 | Peroxide Fusion ICP |
Si, Silicon (wt.%) | 23.96 | 0.524 | 23.71 | 24.20 | Peroxide Fusion ICP |
Sm, Samarium (ppm) | 4.03 | 0.136 | 3.95 | 4.12 | Peroxide Fusion ICP |
Sr, Strontium (ppm) | 455 | 20 | 441 | 468 | Peroxide Fusion ICP |
Tb, Terbium (ppm) | 0.50 | 0.06 | 0.46 | 0.55 | Peroxide Fusion ICP |
Th, Thorium (ppm) | 5.52 | 0.323 | 5.29 | 5.74 | Peroxide Fusion ICP |
Ti, Titanium (wt.%) | 0.511 | 0.014 | 0.504 | 0.517 | Peroxide Fusion ICP |
Tm, Thulium (ppm) | 0.23 | 0.019 | 0.21 | 0.25 | Peroxide Fusion ICP |
U, Uranium (ppm) | 1.36 | 0.15 | 1.25 | 1.46 | Peroxide Fusion ICP |
V, Vanadium (ppm) | 231 | 10 | 225 | 238 | Peroxide Fusion ICP |
Y, Yttrium (ppm) | 15.4 | 0.44 | 15.0 | 15.7 | Peroxide Fusion ICP |
Yb, Ytterbium (ppm) | 1.51 | 0.070 | 1.45 | 1.57 | Peroxide Fusion ICP |
Zn, Zinc (ppm) | 90 | 21 | 75 | 105 | Peroxide Fusion ICP |
Ag, Silver (ppm) | 0.117 | 0.018 | 0.102 | 0.132 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 8.84 | 0.264 | 8.70 | 8.98 | 4-Acid Digestion |
Ba, Barium (ppm) | 389 | 6 | 387 | 392 | 4-Acid Digestion |
Be, Beryllium (ppm) | 1.24 | 0.18 | 1.14 | 1.34 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 0.099 | 0.009 | 0.092 | 0.106 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 6.40 | 0.269 | 6.25 | 6.54 | 4-Acid Digestion |
Ce, Cerium (ppm) | 35.9 | 1.59 | 35.0 | 36.7 | 4-Acid Digestion |
Co, Cobalt (ppm) | 50 | 2.3 | 49 | 52 | 4-Acid Digestion |
Cr, Chromium (ppm) | 2807 | 369 | 2625 | 2990 | 4-Acid Digestion |
Cs, Caesium (ppm) | 3.46 | 0.117 | 3.41 | 3.51 | 4-Acid Digestion |
Cu, Copper (ppm) | 258 | 10 | 253 | 262 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 2.95 | 0.086 | 2.88 | 3.03 | 4-Acid Digestion |
Er, Erbium (ppm) | 1.67 | 0.064 | 1.62 | 1.72 | 4-Acid Digestion |
Eu, Europium (ppm) | 1.21 | 0.090 | 1.14 | 1.28 | 4-Acid Digestion |
Fe, Iron (wt.%) | 6.78 | 0.206 | 6.69 | 6.88 | 4-Acid Digestion |
Ga, Gallium (ppm) | 17.9 | 0.52 | 17.6 | 18.3 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 3.51 | 0.252 | 3.31 | 3.71 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 1.55 | 0.19 | 1.45 | 1.65 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.59 | 0.015 | 0.58 | 0.60 | 4-Acid Digestion |
In, Indium (ppm) | 0.038 | 0.005 | 0.035 | 0.041 | 4-Acid Digestion |
K, Potassium (wt.%) | 1.18 | 0.051 | 1.16 | 1.21 | 4-Acid Digestion |
La, Lanthanum (ppm) | 16.6 | 0.83 | 16.1 | 17.0 | 4-Acid Digestion |
Li, Lithium (ppm) | 11.5 | 0.40 | 11.3 | 11.7 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.23 | 0.008 | 0.23 | 0.24 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 4.86 | 0.207 | 4.76 | 4.96 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.116 | 0.005 | 0.114 | 0.119 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 1.45 | 0.19 | 1.36 | 1.55 | 4-Acid Digestion |
Na, Sodium (wt.%) | 1.60 | 0.044 | 1.57 | 1.62 | 4-Acid Digestion |
Nb, Niobium (ppm) | 5.43 | 0.361 | 5.24 | 5.62 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 18.9 | 0.57 | 18.4 | 19.4 | 4-Acid Digestion |
Ni, Nickel (ppm) | 560 | 30 | 545 | 575 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.122 | 0.006 | 0.119 | 0.125 | 4-Acid Digestion |
Pb, Lead (ppm) | 9.19 | 0.95 | 8.46 | 9.92 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 4.63 | 0.137 | 4.51 | 4.74 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 70 | 3.8 | 68 | 72 | 4-Acid Digestion |
S, Sulphur (wt.%) | 0.114 | 0.009 | 0.109 | 0.119 | 4-Acid Digestion |
Sb, Antimony (ppm) | 0.20 | 0.05 | 0.17 | 0.23 | 4-Acid Digestion |
Sc, Scandium (ppm) | 23.7 | 1.53 | 22.7 | 24.6 | 4-Acid Digestion |
Sm, Samarium (ppm) | 4.05 | 0.308 | 3.80 | 4.31 | 4-Acid Digestion |
Sn, Tin (ppm) | 1.63 | 0.120 | 1.55 | 1.70 | 4-Acid Digestion |
Sr, Strontium (ppm) | 469 | 20 | 458 | 480 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 0.38 | 0.032 | 0.35 | 0.40 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.52 | 0.036 | 0.49 | 0.54 | 4-Acid Digestion |
Th, Thorium (ppm) | 5.72 | 0.483 | 5.50 | 5.93 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.503 | 0.018 | 0.494 | 0.512 | 4-Acid Digestion |
Tl, Thallium (ppm) | 0.15 | 0.007 | 0.15 | 0.15 | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.24 | 0.011 | 0.23 | 0.25 | 4-Acid Digestion |
U, Uranium (ppm) | 1.28 | 0.090 | 1.24 | 1.31 | 4-Acid Digestion |
V, Vanadium (ppm) | 228 | 11 | 223 | 234 | 4-Acid Digestion |
W, Tungsten (ppm) | 1.08 | 0.095 | 1.03 | 1.12 | 4-Acid Digestion |
Y, Yttrium (ppm) | 14.9 | 1.01 | 14.4 | 15.5 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 1.52 | 0.078 | 1.47 | 1.56 | 4-Acid Digestion |
Zn, Zinc (ppm) | 84 | 5.2 | 81 | 86 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 52 | 4.1 | 49 | 54 | 4-Acid Digestion |
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