Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 135b has been prepared from a blend of black slate and Zn-Pb-Ag ores
from the Dugald River and Cannington deposits located in Northern Queensland,
Australia.
Twenty-six commercial analytical laboratories participated in the
program to certify:
Analyte | Certified Value | 1SD | Expanded Uncertainty Low | Expanded Uncertainty High | Method |
---|---|---|---|---|---|
Zn, Zinc (wt.%) | 2.73 | 0.110 | 2.66 | 2.80 | 4-Acid Digestion |
Pb, Lead (wt.%) | 1.71 | 0.061 | 1.66 | 1.76 | 4-Acid Digestion |
Ag, Silver (ppm) | 52.9 | 2.75 | 50.6 | 55.1 | 4-Acid Digestion |
Al2O3, Aluminium(III) oxide (wt.%) | 11.14 | 0.292 | 10.96 | 11.32 | Borate Fusion XRF |
As, Arsenic (ppm) | 751 | 121 | 644 | 858 | Borate Fusion XRF |
BaO, Barium oxide (wt.%) | 0.393 | 0.025 | 0.376 | 0.409 | Borate Fusion XRF |
CaO, Calcium oxide (wt.%) | 0.665 | 0.021 | 0.650 | 0.680 | Borate Fusion XRF |
Cu, Copper (ppm) | 131 | 31 | 108 | 153 | Borate Fusion XRF |
Fe, Iron (wt.%) | 5.41 | 0.102 | 5.34 | 5.49 | Borate Fusion XRF |
K2O, Potassium oxide (wt.%) | 3.04 | 0.103 | 2.98 | 3.10 | Borate Fusion XRF |
MgO, Magnesium oxide (wt.%) | 0.636 | 0.033 | 0.609 | 0.662 | Borate Fusion XRF |
Mn, Manganese (wt.%) | 0.339 | 0.011 | 0.330 | 0.347 | Borate Fusion XRF |
Na2O, Sodium oxide (wt.%) | 0.158 | 0.039 | 0.109 | 0.207 | Borate Fusion XRF |
P2O5, Phosphorus(V) oxide (wt.%) | 0.100 | 0.009 | 0.093 | 0.108 | Borate Fusion XRF |
Pb, Lead (wt.%) | 1.72 | 0.071 | 1.68 | 1.76 | Borate Fusion XRF |
S, Sulphur (wt.%) | 3.10 | 0.120 | 3.01 | 3.19 | Borate Fusion XRF |
SiO2, Silicon dioxide (wt.%) | 64.01 | 0.934 | 63.41 | 64.62 | Borate Fusion XRF |
TiO2, Titanium dioxide (wt.%) | 0.463 | 0.012 | 0.450 | 0.477 | Borate Fusion XRF |
Zn, Zinc (wt.%) | 2.77 | 0.077 | 2.72 | 2.82 | Borate Fusion XRF |
LOI1000, Loss On Ignition @1000 °C (wt.%) | 5.22 | 0.179 | 5.08 | 5.36 | Thermogravimetry |
C, Carbon (wt.%) | 1.14 | 0.050 | 1.12 | 1.17 | Infrared Combustion |
S, Sulphur (wt.%) | 3.14 | 0.103 | 3.08 | 3.20 | Infrared Combustion |
Ag, Silver (ppm) | 54.8 | 3.26 | 49.7 | 59.9 | Borate / Peroxide Fusion ICP |
Al, Aluminium (wt.%) | 5.95 | 0.120 | 5.81 | 6.08 | Borate / Peroxide Fusion ICP |
As, Arsenic (ppm) | 708 | 69 | 644 | 771 | Borate / Peroxide Fusion ICP |
B, Boron (ppm) | 106 | 15 | 79 | 133 | Borate / Peroxide Fusion ICP |
Ba, Barium (wt.%) | 0.357 | 0.019 | 0.342 | 0.372 | Borate / Peroxide Fusion ICP |
Be, Beryllium (ppm) | 2.70 | 0.56 | 2.16 | 3.24 | Borate / Peroxide Fusion ICP |
Bi, Bismuth (ppm) | 2.71 | 0.63 | 2.05 | 3.37 | Borate / Peroxide Fusion ICP |
Ca, Calcium (wt.%) | 0.474 | 0.060 | 0.430 | 0.518 | Borate / Peroxide Fusion ICP |
Cd, Cadmium (ppm) | 69 | 7 | 62 | 76 | Borate / Peroxide Fusion ICP |
Ce, Cerium (ppm) | 91 | 4.8 | 86 | 95 | Borate / Peroxide Fusion ICP |
Co, Cobalt (ppm) | 7.33 | 1.15 | 5.88 | 8.77 | Borate / Peroxide Fusion ICP |
Cr, Chromium (ppm) | 104 | 31 | 86 | 122 | Borate / Peroxide Fusion ICP |
Cs, Caesium (ppm) | 3.89 | 0.339 | 3.57 | 4.20 | Borate / Peroxide Fusion ICP |
Cu, Copper (ppm) | 112 | 20 | 98 | 126 | Borate / Peroxide Fusion ICP |
Dy, Dysprosium (ppm) | 5.30 | 0.333 | 4.80 | 5.79 | Borate / Peroxide Fusion ICP |
Er, Erbium (ppm) | 2.92 | 0.216 | 2.60 | 3.23 | Borate / Peroxide Fusion ICP |
Eu, Europium (ppm) | 2.13 | 0.172 | 1.91 | 2.34 | Borate / Peroxide Fusion ICP |
Fe, Iron (wt.%) | 5.46 | 0.217 | 5.30 | 5.62 | Borate / Peroxide Fusion ICP |
Ga, Gallium (ppm) | 18.1 | 1.9 | 16.5 | 19.8 | Borate / Peroxide Fusion ICP |
Gd, Gadolinium (ppm) | 6.48 | 0.500 | 5.61 | 7.34 | Borate / Peroxide Fusion ICP |
Ge, Germanium (ppm) | 3.26 | 0.75 | 2.18 | 4.34 | Borate / Peroxide Fusion ICP |
Hf, Hafnium (ppm) | 2.74 | 0.71 | 1.83 | 3.64 | Borate / Peroxide Fusion ICP |
Ho, Holmium (ppm) | 0.97 | 0.11 | 0.85 | 1.09 | Borate / Peroxide Fusion ICP |
In, Indium (ppm) | 0.71 | 0.07 | 0.58 | 0.83 | Borate / Peroxide Fusion ICP |
K, Potassium (wt.%) | 2.57 | 0.120 | 2.47 | 2.67 | Borate / Peroxide Fusion ICP |
La, Lanthanum (ppm) | 44.9 | 3.75 | 42.4 | 47.4 | Borate / Peroxide Fusion ICP |
Li, Lithium (ppm) | 22.3 | 2.04 | 19.9 | 24.7 | Borate / Peroxide Fusion ICP |
Lu, Lutetium (ppm) | 0.37 | 0.04 | 0.28 | 0.46 | Borate / Peroxide Fusion ICP |
Mg, Magnesium (wt.%) | 0.368 | 0.015 | 0.353 | 0.384 | Borate / Peroxide Fusion ICP |
Mn, Manganese (wt.%) | 0.341 | 0.012 | 0.328 | 0.353 | Borate / Peroxide Fusion ICP |
Mo, Molybdenum (ppm) | 6.97 | 2.49 | 3.65 | 10.28 | Borate / Peroxide Fusion ICP |
Nb, Niobium (ppm) | 10.3 | 2.0 | 8.7 | 11.9 | Borate / Peroxide Fusion ICP |
Nd, Neodymium (ppm) | 38.7 | 2.15 | 36.0 | 41.4 | Borate / Peroxide Fusion ICP |
Ni, Nickel (ppm) | 21.3 | 7.1 | 8.8 | 33.7 | Borate / Peroxide Fusion ICP |
P, Phosphorus (wt.%) | 0.045 | 0.004 | 0.038 | 0.053 | Borate / Peroxide Fusion ICP |
Pb, Lead (wt.%) | 1.68 | 0.069 | 1.61 | 1.74 | Borate / Peroxide Fusion ICP |
Pr, Praseodymium (ppm) | 10.5 | 0.64 | 9.6 | 11.3 | Borate / Peroxide Fusion ICP |
Rb, Rubidium (ppm) | 140 | 11 | 130 | 149 | Borate / Peroxide Fusion ICP |
S, Sulphur (wt.%) | 3.06 | 0.126 | 2.96 | 3.17 | Borate / Peroxide Fusion ICP |
Sb, Antimony (ppm) | 40.9 | 2.59 | 36.5 | 45.3 | Borate / Peroxide Fusion ICP |
Sc, Scandium (ppm) | 9.46 | 0.927 | 8.02 | 10.89 | Borate / Peroxide Fusion ICP |
Si, Silicon (wt.%) | 30.68 | 1.344 | 29.65 | 31.71 | Borate / Peroxide Fusion ICP |
Sm, Samarium (ppm) | 7.25 | 0.699 | 6.63 | 7.88 | Borate / Peroxide Fusion ICP |
Sr, Strontium (ppm) | 125 | 7 | 117 | 132 | Borate / Peroxide Fusion ICP |
Ta, Tantalum (ppm) | 0.92 | 0.12 | 0.61 | 1.23 | Borate / Peroxide Fusion ICP |
Tb, Terbium (ppm) | 0.92 | 0.090 | 0.77 | 1.06 | Borate / Peroxide Fusion ICP |
Th, Thorium (ppm) | 12.8 | 0.78 | 12.2 | 13.5 | Borate / Peroxide Fusion ICP |
Ti, Titanium (wt.%) | 0.276 | 0.011 | 0.265 | 0.287 | Borate / Peroxide Fusion ICP |
Tl, Thallium (ppm) | 5.47 | 0.393 | 4.93 | 6.02 | Borate / Peroxide Fusion ICP |
Tm, Thulium (ppm) | 0.40 | 0.04 | 0.31 | 0.49 | Borate / Peroxide Fusion ICP |
U, Uranium (ppm) | 5.26 | 0.384 | 4.68 | 5.85 | Borate / Peroxide Fusion ICP |
V, Vanadium (ppm) | 147 | 8 | 142 | 151 | Borate / Peroxide Fusion ICP |
W, Tungsten (ppm) | 3.37 | 0.59 | 2.42 | 4.32 | Borate / Peroxide Fusion ICP |
Y, Yttrium (ppm) | 29.0 | 3.4 | 26.1 | 31.9 | Borate / Peroxide Fusion ICP |
Yb, Ytterbium (ppm) | 2.69 | 0.143 | 2.40 | 2.98 | Borate / Peroxide Fusion ICP |
Zn, Zinc (wt.%) | 2.71 | 0.083 | 2.63 | 2.79 | Borate / Peroxide Fusion ICP |
Zr, Zirconium (ppm) | 96 | 13 | 75 | 117 | Borate / Peroxide Fusion ICP |
Al, Aluminium (wt.%) | 5.81 | 0.244 | 5.63 | 5.99 | 4-Acid Digestion |
As, Arsenic (ppm) | 707 | 42 | 668 | 746 | 4-Acid Digestion |
Be, Beryllium (ppm) | 2.45 | 0.25 | 2.30 | 2.60 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 2.66 | 0.083 | 2.56 | 2.76 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 0.481 | 0.024 | 0.467 | 0.496 | 4-Acid Digestion |
Cd, Cadmium (ppm) | 69 | 4.3 | 67 | 71 | 4-Acid Digestion |
Ce, Cerium (ppm) | 86 | 9 | 80 | 92 | 4-Acid Digestion |
Co, Cobalt (ppm) | 6.26 | 0.68 | 5.63 | 6.89 | 4-Acid Digestion |
Cr, Chromium (ppm) | 76 | 6.9 | 72 | 80 | 4-Acid Digestion |
Cs, Caesium (ppm) | 3.76 | 0.330 | 3.52 | 3.99 | 4-Acid Digestion |
Cu, Copper (ppm) | 114 | 6 | 109 | 119 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 4.35 | 0.56 | 3.84 | 4.86 | 4-Acid Digestion |
Er, Erbium (ppm) | 2.04 | 0.34 | 1.73 | 2.35 | 4-Acid Digestion |
Eu, Europium (ppm) | 2.06 | 0.141 | 1.88 | 2.24 | 4-Acid Digestion |
Fe, Iron (wt.%) | 5.36 | 0.243 | 5.20 | 5.51 | 4-Acid Digestion |
Ga, Gallium (ppm) | 18.3 | 1.41 | 17.2 | 19.3 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 5.87 | 0.470 | 5.33 | 6.40 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 2.12 | 0.190 | 1.93 | 2.30 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.77 | 0.12 | 0.67 | 0.88 | 4-Acid Digestion |
In, Indium (ppm) | 0.69 | 0.066 | 0.60 | 0.77 | 4-Acid Digestion |
K, Potassium (wt.%) | 2.52 | 0.107 | 2.44 | 2.60 | 4-Acid Digestion |
La, Lanthanum (ppm) | 41.0 | 7.0 | 37.0 | 44.9 | 4-Acid Digestion |
Li, Lithium (ppm) | 21.0 | 1.37 | 19.7 | 22.2 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.29 | 0.04 | 0.25 | 0.33 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 0.357 | 0.020 | 0.344 | 0.370 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.326 | 0.018 | 0.313 | 0.340 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 4.14 | 0.49 | 3.68 | 4.59 | 4-Acid Digestion |
Na, Sodium (wt.%) | 0.095 | 0.009 | 0.087 | 0.103 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 36.3 | 2.72 | 33.8 | 38.8 | 4-Acid Digestion |
Ni, Nickel (ppm) | 14.9 | 1.27 | 13.2 | 16.6 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.044 | 0.002 | 0.042 | 0.045 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 9.63 | 0.717 | 9.00 | 10.26 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 137 | 8 | 129 | 144 | 4-Acid Digestion |
S, Sulphur (wt.%) | 3.03 | 0.114 | 2.94 | 3.12 | 4-Acid Digestion |
Sb, Antimony (ppm) | 37.6 | 3.18 | 34.3 | 40.9 | 4-Acid Digestion |
Sc, Scandium (ppm) | 10.3 | 0.54 | 9.5 | 11.0 | 4-Acid Digestion |
Se, Selenium (ppm) | 2.79 | 0.46 | 1.71 | 3.87 | 4-Acid Digestion |
Sm, Samarium (ppm) | 7.28 | 0.80 | 6.62 | 7.94 | 4-Acid Digestion |
Sn, Tin (ppm) | 4.02 | 0.354 | 3.63 | 4.41 | 4-Acid Digestion |
Sr, Strontium (ppm) | 114 | 8 | 109 | 119 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.80 | 0.10 | 0.70 | 0.89 | 4-Acid Digestion |
Te, Tellurium (ppm) | 0.20 | 0.08 | 0.09 | 0.31 | 4-Acid Digestion |
Th, Thorium (ppm) | 12.3 | 1.06 | 11.5 | 13.1 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.189 | 0.037 | 0.168 | 0.209 | 4-Acid Digestion |
Tl, Thallium (ppm) | 5.65 | 0.348 | 5.38 | 5.92 | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.29 | 0.05 | 0.24 | 0.34 | 4-Acid Digestion |
U, Uranium (ppm) | 5.06 | 0.396 | 4.73 | 5.38 | 4-Acid Digestion |
V, Vanadium (ppm) | 141 | 5 | 136 | 147 | 4-Acid Digestion |
W, Tungsten (ppm) | 3.17 | 0.48 | 2.72 | 3.62 | 4-Acid Digestion |
Y, Yttrium (ppm) | 21.1 | 2.9 | 18.7 | 23.5 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 1.90 | 0.29 | 1.62 | 2.17 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 67 | 6.0 | 63 | 71 | 4-Acid Digestion |
Ag, Silver (ppm) | 53.5 | 1.34 | 51.6 | 55.3 | Aqua Regia Digestion |
Al, Aluminium (wt.%) | 1.05 | 0.17 | 0.96 | 1.14 | Aqua Regia Digestion |
As, Arsenic (ppm) | 707 | 47 | 680 | 733 | Aqua Regia Digestion |
Be, Beryllium (ppm) | 0.74 | 0.14 | 0.65 | 0.82 | Aqua Regia Digestion |
Bi, Bismuth (ppm) | 2.50 | 0.181 | 2.34 | 2.66 | Aqua Regia Digestion |
Ca, Calcium (wt.%) | 0.425 | 0.016 | 0.412 | 0.438 | Aqua Regia Digestion |
Cd, Cadmium (ppm) | 67 | 2.6 | 65 | 69 | Aqua Regia Digestion |
Ce, Cerium (ppm) | 68 | 8 | 62 | 74 | Aqua Regia Digestion |
Co, Cobalt (ppm) | 5.59 | 0.73 | 5.21 | 5.97 | Aqua Regia Digestion |
Cr, Chromium (ppm) | 29.7 | 2.37 | 28.0 | 31.3 | Aqua Regia Digestion |
Cs, Caesium (ppm) | 1.43 | 0.114 | 1.33 | 1.54 | Aqua Regia Digestion |
Cu, Copper (ppm) | 116 | 6 | 112 | 120 | Aqua Regia Digestion |
Dy, Dysprosium (ppm) | 2.35 | 0.38 | 1.97 | 2.74 | Aqua Regia Digestion |
Er, Erbium (ppm) | 0.99 | 0.13 | 0.84 | 1.14 | Aqua Regia Digestion |
Eu, Europium (ppm) | 1.40 | 0.135 | 1.24 | 1.56 | Aqua Regia Digestion |
Fe, Iron (wt.%) | 5.10 | 0.201 | 4.98 | 5.22 | Aqua Regia Digestion |
Ga, Gallium (ppm) | 4.48 | 0.82 | 3.91 | 5.04 | Aqua Regia Digestion |
Gd, Gadolinium (ppm) | 4.01 | 0.56 | 3.43 | 4.59 | Aqua Regia Digestion |
Hf, Hafnium (ppm) | 0.56 | 0.08 | 0.50 | 0.62 | Aqua Regia Digestion |
Hg, Mercury (ppm) | 0.91 | 0.067 | 0.83 | 0.98 | Aqua Regia Digestion |
Ho, Holmium (ppm) | 0.39 | 0.06 | 0.33 | 0.45 | Aqua Regia Digestion |
In, Indium (ppm) | 0.63 | 0.060 | 0.58 | 0.68 | Aqua Regia Digestion |
K, Potassium (wt.%) | 0.328 | 0.061 | 0.297 | 0.359 | Aqua Regia Digestion |
La, Lanthanum (ppm) | 29.5 | 4.7 | 26.5 | 32.4 | Aqua Regia Digestion |
Li, Lithium (ppm) | 5.37 | 1.16 | 4.43 | 6.31 | Aqua Regia Digestion |
Lu, Lutetium (ppm) | 0.11 | 0.02 | 0.10 | 0.13 | Aqua Regia Digestion |
Mg, Magnesium (wt.%) | 0.118 | 0.012 | 0.108 | 0.127 | Aqua Regia Digestion |
Mn, Manganese (wt.%) | 0.293 | 0.017 | 0.284 | 0.303 | Aqua Regia Digestion |
Mo, Molybdenum (ppm) | 3.86 | 0.40 | 3.58 | 4.13 | Aqua Regia Digestion |
Nd, Neodymium (ppm) | 25.8 | 3.3 | 22.3 | 29.2 | Aqua Regia Digestion |
Ni, Nickel (ppm) | 13.0 | 1.13 | 12.2 | 13.8 | Aqua Regia Digestion |
P, Phosphorus (wt.%) | 0.041 | 0.002 | 0.039 | 0.042 | Aqua Regia Digestion |
Pb, Lead (wt.%) | 1.69 | 0.037 | 1.66 | 1.73 | Aqua Regia Digestion |
Pr, Praseodymium (ppm) | 6.84 | 1.03 | 5.64 | 8.04 | Aqua Regia Digestion |
Rb, Rubidium (ppm) | 23.5 | 5.4 | 20.0 | 27.0 | Aqua Regia Digestion |
S, Sulphur (wt.%) | 3.08 | 0.150 | 2.99 | 3.18 | Aqua Regia Digestion |
Sb, Antimony (ppm) | 29.9 | 4.3 | 27.4 | 32.3 | Aqua Regia Digestion |
Sc, Scandium (ppm) | 1.95 | 0.38 | 1.62 | 2.29 | Aqua Regia Digestion |
Se, Selenium (ppm) | 2.71 | 0.56 | 2.11 | 3.31 | Aqua Regia Digestion |
Sm, Samarium (ppm) | 4.86 | 0.72 | 4.14 | 5.58 | Aqua Regia Digestion |
Sn, Tin (ppm) | 1.65 | 0.20 | 1.48 | 1.81 | Aqua Regia Digestion |
Sr, Strontium (ppm) | 26.2 | 2.7 | 24.9 | 27.6 | Aqua Regia Digestion |
Tb, Terbium (ppm) | 0.53 | 0.06 | 0.46 | 0.60 | Aqua Regia Digestion |
Te, Tellurium (ppm) | 0.15 | 0.03 | 0.11 | 0.20 | Aqua Regia Digestion |
Th, Thorium (ppm) | 9.29 | 1.09 | 8.59 | 9.99 | Aqua Regia Digestion |
Ti, Titanium (wt.%) | 0.010 | 0.001 | 0.010 | 0.011 | Aqua Regia Digestion |
Tl, Thallium (ppm) | 1.22 | 0.17 | 1.11 | 1.34 | Aqua Regia Digestion |
Tm, Thulium (ppm) | 0.12 | 0.02 | 0.09 | 0.15 | Aqua Regia Digestion |
U, Uranium (ppm) | 3.51 | 0.223 | 3.30 | 3.71 | Aqua Regia Digestion |
V, Vanadium (ppm) | 28.1 | 4.7 | 25.6 | 30.5 | Aqua Regia Digestion |
W, Tungsten (ppm) | 1.34 | 0.23 | 1.14 | 1.53 | Aqua Regia Digestion |
Y, Yttrium (ppm) | 10.5 | 0.62 | 9.9 | 11.0 | Aqua Regia Digestion |
Yb, Ytterbium (ppm) | 0.78 | 0.14 | 0.59 | 0.96 | Aqua Regia Digestion |
Zn, Zinc (wt.%) | 2.73 | 0.075 | 2.66 | 2.79 | Aqua Regia Digestion |
Zr, Zirconium (ppm) | 17.1 | 2.1 | 15.8 | 18.5 | Aqua Regia Digestion |