Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 501b was prepared from porphyry copper-gold ore and waste samples from a mine deposit located in central western New South Wales, Australia with the addition of a minor quantity of Cu-Mo concentrate.
OREAS 501b contains 107 certified values from the participation of twenty seven commercial analytical laboratories. The following methods were employed:
Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
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Au, Gold (ppm) | 0.248 | 0.010 | 0.244 | 0.251 | Pb Fire Assay |
Cu, Copper (wt.%) | 0.260 | 0.011 | 0.255 | 0.264 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 99 | 7.5 | 96 | 102 | 4-Acid Digestion |
Ag, Silver (ppm) | 0.778 | 0.128 | 0.725 | 0.832 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 7.68 | 0.431 | 7.50 | 7.86 | 4-Acid Digestion |
As, Arsenic (ppm) | 17.9 | 2.9 | 17.1 | 18.7 | 4-Acid Digestion |
Ba, Barium (ppm) | 1009 | 58 | 983 | 1036 | 4-Acid Digestion |
Be, Beryllium (ppm) | 2.86 | 0.30 | 2.74 | 2.98 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 1.54 | 0.125 | 1.48 | 1.61 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 2.71 | 0.100 | 2.67 | 2.75 | 4-Acid Digestion |
Ce, Cerium (ppm) | 68 | 6.1 | 65 | 71 | 4-Acid Digestion |
Co, Cobalt (ppm) | 15.8 | 1.39 | 15.3 | 16.4 | 4-Acid Digestion |
Cr, Chromium (ppm) | 86 | 8.2 | 82 | 89 | 4-Acid Digestion |
Cs, Caesium (ppm) | 12.2 | 0.73 | 11.8 | 12.5 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 4.86 | 0.218 | 4.66 | 5.06 | 4-Acid Digestion |
Er, Erbium (ppm) | 2.58 | 0.186 | 2.39 | 2.78 | 4-Acid Digestion |
Eu, Europium (ppm) | 1.39 | 0.065 | 1.33 | 1.45 | 4-Acid Digestion |
Fe, Iron (wt.%) | 4.54 | 0.192 | 4.46 | 4.63 | 4-Acid Digestion |
Ga, Gallium (ppm) | 19.5 | 0.78 | 19.2 | 19.8 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 5.40 | 0.130 | 5.27 | 5.52 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 2.54 | 0.28 | 2.40 | 2.69 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.93 | 0.048 | 0.88 | 0.97 | 4-Acid Digestion |
In, Indium (ppm) | 0.21 | 0.02 | 0.20 | 0.22 | 4-Acid Digestion |
K, Potassium (wt.%) | 3.14 | 0.142 | 3.08 | 3.21 | 4-Acid Digestion |
La, Lanthanum (ppm) | 33.0 | 3.4 | 31.6 | 34.3 | 4-Acid Digestion |
Li, Lithium (ppm) | 33.2 | 3.22 | 31.7 | 34.7 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.38 | 0.032 | 0.35 | 0.40 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 1.48 | 0.057 | 1.46 | 1.51 | 4-Acid Digestion |
Mn, Manganese (ppm) | 546 | 25 | 536 | 556 | 4-Acid Digestion |
Na, Sodium (wt.%) | 2.08 | 0.111 | 2.04 | 2.13 | 4-Acid Digestion |
Nb, Niobium (ppm) | 18.0 | 1.8 | 17.1 | 18.9 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 30.6 | 1.30 | 29.3 | 31.8 | 4-Acid Digestion |
Ni, Nickel (ppm) | 41.5 | 3.54 | 40.1 | 42.9 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.102 | 0.004 | 0.101 | 0.104 | 4-Acid Digestion |
Pb, Lead (ppm) | 23.0 | 2.04 | 22.3 | 23.8 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 7.90 | 0.567 | 7.22 | 8.59 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 184 | 16 | 176 | 193 | 4-Acid Digestion |
S, Sulphur (wt.%) | 0.354 | 0.028 | 0.340 | 0.367 | 4-Acid Digestion |
Sb, Antimony (ppm) | 0.87 | 0.10 | 0.82 | 0.93 | 4-Acid Digestion |
Sc, Scandium (ppm) | 12.9 | 0.84 | 12.5 | 13.3 | 4-Acid Digestion |
Sm, Samarium (ppm) | 5.97 | 0.320 | 5.63 | 6.31 | 4-Acid Digestion |
Sn, Tin (ppm) | 5.58 | 0.445 | 5.36 | 5.80 | 4-Acid Digestion |
Sr, Strontium (ppm) | 338 | 16 | 331 | 345 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 1.38 | 0.24 | 1.25 | 1.51 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.79 | 0.063 | 0.74 | 0.84 | 4-Acid Digestion |
Te, Tellurium (ppm) | 0.093 | 0.015 | 0.086 | 0.101 | 4-Acid Digestion |
Th, Thorium (ppm) | 18.0 | 0.98 | 17.8 | 18.2 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.466 | 0.017 | 0.460 | 0.473 | 4-Acid Digestion |
Tl, Thallium (ppm) | 0.90 | 0.073 | 0.86 | 0.94 | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.36 | 0.030 | 0.33 | 0.39 | 4-Acid Digestion |
U, Uranium (ppm) | 4.86 | 0.457 | 4.64 | 5.09 | 4-Acid Digestion |
V, Vanadium (ppm) | 121 | 6 | 118 | 123 | 4-Acid Digestion |
Y, Yttrium (ppm) | 24.6 | 2.29 | 23.5 | 25.7 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 2.49 | 0.074 | 2.44 | 2.54 | 4-Acid Digestion |
Zn, Zinc (ppm) | 89 | 4.4 | 87 | 90 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 77 | 9 | 73 | 82 | 4-Acid Digestion |
Ag, Silver (ppm) | 0.721 | 0.051 | 0.699 | 0.744 | Aqua Regia Digestion |
Al, Aluminium (wt.%) | 1.99 | 0.143 | 1.93 | 2.06 | Aqua Regia Digestion |
As, Arsenic (ppm) | 18.6 | 2.0 | 18.2 | 19.0 | Aqua Regia Digestion |
Au, Gold (ppm) | 0.243 | 0.009 | 0.238 | 0.248 | Aqua Regia Digestion |
Ba, Barium (ppm) | 369 | 23 | 360 | 378 | Aqua Regia Digestion |
Be, Beryllium (ppm) | 0.49 | 0.06 | 0.46 | 0.52 | Aqua Regia Digestion |
Bi, Bismuth (ppm) | 1.60 | 0.121 | 1.55 | 1.66 | Aqua Regia Digestion |
Ca, Calcium (wt.%) | 0.966 | 0.076 | 0.930 | 1.002 | Aqua Regia Digestion |
Ce, Cerium (ppm) | 61 | 2.7 | 59 | 62 | Aqua Regia Digestion |
Co, Cobalt (ppm) | 14.9 | 1.00 | 14.4 | 15.3 | Aqua Regia Digestion |
Cr, Chromium (ppm) | 85 | 4.4 | 84 | 87 | Aqua Regia Digestion |
Cs, Caesium (ppm) | 9.93 | 0.426 | 9.67 | 10.18 | Aqua Regia Digestion |
Cu, Copper (wt.%) | 0.258 | 0.007 | 0.255 | 0.261 | Aqua Regia Digestion |
Fe, Iron (wt.%) | 4.08 | 0.257 | 3.98 | 4.18 | Aqua Regia Digestion |
Ga, Gallium (ppm) | 8.70 | 0.632 | 8.36 | 9.03 | Aqua Regia Digestion |
Ge, Germanium (ppm) | 0.20 | 0.014 | 0.19 | 0.21 | Aqua Regia Digestion |
Hf, Hafnium (ppm) | 0.43 | 0.06 | 0.39 | 0.47 | Aqua Regia Digestion |
In, Indium (ppm) | 0.19 | 0.012 | 0.19 | 0.20 | Aqua Regia Digestion |
K, Potassium (wt.%) | 1.08 | 0.070 | 1.06 | 1.11 | Aqua Regia Digestion |
La, Lanthanum (ppm) | 29.3 | 1.90 | 28.5 | 30.2 | Aqua Regia Digestion |
Li, Lithium (ppm) | 31.7 | 2.17 | 30.8 | 32.6 | Aqua Regia Digestion |
Lu, Lutetium (ppm) | 0.21 | 0.018 | 0.20 | 0.23 | Aqua Regia Digestion |
Mg, Magnesium (wt.%) | 1.21 | 0.046 | 1.19 | 1.23 | Aqua Regia Digestion |
Mn, Manganese (ppm) | 393 | 22 | 385 | 401 | Aqua Regia Digestion |
Mo, Molybdenum (ppm) | 97 | 6.5 | 94 | 100 | Aqua Regia Digestion |
Na, Sodium (wt.%) | 0.167 | 0.030 | 0.153 | 0.181 | Aqua Regia Digestion |
Nd, Neodymium (ppm) | 26.2 | 1.41 | 24.5 | 27.9 | Aqua Regia Digestion |
Ni, Nickel (ppm) | 37.5 | 2.29 | 36.6 | 38.4 | Aqua Regia Digestion |
P, Phosphorus (wt.%) | 0.100 | 0.005 | 0.097 | 0.102 | Aqua Regia Digestion |
Pb, Lead (ppm) | 9.42 | 0.633 | 9.15 | 9.68 | Aqua Regia Digestion |
Pr, Praseodymium (ppm) | 7.17 | 0.317 | 6.81 | 7.53 | Aqua Regia Digestion |
Rb, Rubidium (ppm) | 126 | 5 | 123 | 129 | Aqua Regia Digestion |
Re, Rhenium (ppm) | 0.003 | 0.000 | 0.003 | 0.003 | Aqua Regia Digestion |
S, Sulphur (wt.%) | 0.364 | 0.027 | 0.352 | 0.377 | Aqua Regia Digestion |
Sb, Antimony (ppm) | 0.49 | 0.06 | 0.45 | 0.52 | Aqua Regia Digestion |
Sc, Scandium (ppm) | 7.08 | 0.99 | 6.64 | 7.52 | Aqua Regia Digestion |
Se, Selenium (ppm) | 2.78 | 0.48 | 2.55 | 3.02 | Aqua Regia Digestion |
Sn, Tin (ppm) | 4.65 | 0.333 | 4.46 | 4.84 | Aqua Regia Digestion |
Sr, Strontium (ppm) | 60 | 4.4 | 58 | 62 | Aqua Regia Digestion |
Tb, Terbium (ppm) | 0.56 | 0.039 | 0.53 | 0.59 | Aqua Regia Digestion |
Te, Tellurium (ppm) | 0.078 | 0.015 | 0.071 | 0.085 | Aqua Regia Digestion |
Th, Thorium (ppm) | 17.9 | 1.22 | 17.4 | 18.5 | Aqua Regia Digestion |
Ti, Titanium (wt.%) | 0.338 | 0.028 | 0.326 | 0.350 | Aqua Regia Digestion |
Tl, Thallium (ppm) | 0.69 | 0.044 | 0.67 | 0.72 | Aqua Regia Digestion |
U, Uranium (ppm) | 4.56 | 0.235 | 4.47 | 4.64 | Aqua Regia Digestion |
V, Vanadium (ppm) | 110 | 6 | 107 | 112 | Aqua Regia Digestion |
W, Tungsten (ppm) | 2.34 | 0.43 | 2.16 | 2.52 | Aqua Regia Digestion |
Y, Yttrium (ppm) | 16.6 | 0.96 | 16.1 | 17.1 | Aqua Regia Digestion |
Yb, Ytterbium (ppm) | 1.50 | 0.050 | 1.45 | 1.54 | Aqua Regia Digestion |
Zn, Zinc (ppm) | 80 | 4.3 | 78 | 82 | Aqua Regia Digestion |
Zr, Zirconium (ppm) | 10.9 | 1.5 | 10.1 | 11.6 | Aqua Regia Digestion |
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