| Description: OREAS 315 has been prepared from a blend of barren black slate and various Zn-Pb-Ag ore and concentrate materials. This includes materials from the Dugald River, Black Star and Cannington deposits located in Northern Queensland, Australia.
Twenty-six commercial analytical laboratories participated in the program to certify: - Majors & base metals by oxidising fusion with X-ray fluorescence finish;
- Loss on ignition at 1000° Celsius;
- Total Sulphur by infrared combustion furnace or C/S analyser;
- Full ICP-OES and MS elemental suites by peroxide fusion;
- Full ICP-OES and MS elemental suites by 4-acid (HNO3-HF-HClO4-HCl) digestion;
- Full ICP-OES and MS elemental suites by aqua regia digestion.
Download Certificate OREAS315 Download DataPack OREAS315 | Analyte | Certified Value | 1SD | 95% CI Low | 95% CI High | Method |
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| Ag, Silver (ppm) | 72.5 | 2.83 | 69.5 | 75.4 | 4-Acid Digestion | | Al, Aluminium (wt.%) | 5.24 | 0.233 | 5.06 | 5.43 | 4-Acid Digestion | | As, Arsenic (ppm) | 145 | 10 | 138 | 151 | 4-Acid Digestion | | Be, Beryllium (ppm) | 2.22 | 0.181 | 2.07 | 2.38 | 4-Acid Digestion | | Bi, Bismuth (ppm) | 8.28 | 0.412 | 7.52 | 9.04 | 4-Acid Digestion | | Ca, Calcium (wt.%) | 1.03 | 0.041 | 1 | 1.06 | 4-Acid Digestion | | Cd, Cadmium (ppm) | 140 | 6 | 135 | 144 | 4-Acid Digestion | | Ce, Cerium (ppm) | 64 | 3.7 | 62 | 67 | 4-Acid Digestion | | Co, Cobalt (ppm) | 17.7 | 1.9 | 16.2 | 19.1 | 4-Acid Digestion | | Cr, Chromium (ppm) | 161 | 15 | 151 | 170 | 4-Acid Digestion | | Cs, Caesium (ppm) | 3.24 | 0.33 | 3.03 | 3.45 | 4-Acid Digestion | | Cu, Copper (ppm) | 785 | 54 | 710 | 861 | 4-Acid Digestion | | Dy, Dysprosium (ppm) | 3.17 | 0.52 | 2.72 | 3.63 | 4-Acid Digestion | | Er, Erbium (ppm) | 1.62 | 0.28 | 1.34 | 1.89 | 4-Acid Digestion | | Eu, Europium (ppm) | 1.03 | 0.103 | 0.92 | 1.14 | 4-Acid Digestion | | Fe, Iron (wt.%) | 5.18 | 0.234 | 5 | 5.35 | 4-Acid Digestion | | Ga, Gallium (ppm) | 15.9 | 0.76 | 15 | 16.7 | 4-Acid Digestion | | Gd, Gadolinium (ppm) | 4.2 | 0.5 | 3.74 | 4.66 | 4-Acid Digestion | | Hf, Hafnium (ppm) | 2.05 | 0.22 | 1.87 | 2.22 | 4-Acid Digestion | | Ho, Holmium (ppm) | 0.57 | 0.1 | 0.46 | 0.69 | 4-Acid Digestion | | In, Indium (ppm) | 1.51 | 0.093 | 1.39 | 1.63 | 4-Acid Digestion | | K, Potassium (wt.%) | 2.57 | 0.094 | 2.51 | 2.64 | 4-Acid Digestion | | La, Lanthanum (ppm) | 31.6 | 2.43 | 29.9 | 33.3 | 4-Acid Digestion | | Li, Lithium (ppm) | 21.7 | 0.79 | 20.8 | 22.7 | 4-Acid Digestion | | Lu, Lutetium (ppm) | 0.25 | 0.04 | 0.21 | 0.29 | 4-Acid Digestion | | Mg, Magnesium (wt.%) | 0.858 | 0.055 | 0.828 | 0.889 | 4-Acid Digestion | | Mn, Manganese (wt.%) | 0.113 | 0.007 | 0.109 | 0.117 | 4-Acid Digestion | | Mo, Molybdenum (ppm) | 9.84 | 0.65 | 8.54 | 11.13 | 4-Acid Digestion | | Na, Sodium (wt.%) | 0.092 | 0.009 | 0.085 | 0.098 | 4-Acid Digestion | | Nd, Neodymium (ppm) | 27.1 | 1.5 | 25.4 | 28.9 | 4-Acid Digestion | | Ni, Nickel (ppm) | 232 | 16 | 223 | 241 | 4-Acid Digestion | | P, Phosphorus (wt.%) | 0.034 | 0.003 | 0.032 | 0.035 | 4-Acid Digestion | | Pb, Lead (wt.%) | 3.79 | 0.107 | 3.65 | 3.92 | 4-Acid Digestion | | Pr, Praseodymium (ppm) | 7.27 | 0.721 | 6.65 | 7.88 | 4-Acid Digestion | | Rb, Rubidium (ppm) | 121 | 7 | 116 | 125 | 4-Acid Digestion | | S, Sulphur (wt.%) | 5.37 | 0.322 | 5.17 | 5.58 | 4-Acid Digestion | | Sb, Antimony (ppm) | 92 | 10 | 83 | 100 | 4-Acid Digestion | | Sc, Scandium (ppm) | 9.22 | 0.93 | 8.53 | 9.91 | 4-Acid Digestion | | Se, Selenium (ppm) | 2.91 | 0.53 | 2.05 | 3.78 | 4-Acid Digestion | | Sm, Samarium (ppm) | 5.23 | 0.58 | 4.71 | 5.75 | 4-Acid Digestion | | Sn, Tin (ppm) | 3.14 | 0.42 | 2.79 | 3.5 | 4-Acid Digestion | | Sr, Strontium (ppm) | 61 | 3.9 | 59 | 63 | 4-Acid Digestion | | Ta, Tantalum (ppm) | 0.22 | 0.07 | 0.13 | 0.31 | 4-Acid Digestion | | Tb, Terbium (ppm) | 0.56 | 0.07 | 0.49 | 0.63 | 4-Acid Digestion | | Te, Tellurium (ppm) | 0.3 | 0.1 | 0.23 | 0.37 | 4-Acid Digestion | | Th, Thorium (ppm) | 10.9 | 0.64 | 10.3 | 11.4 | 4-Acid Digestion | | Ti, Titanium (wt.%) | 0.168 | 0.031 | 0.152 | 0.185 | 4-Acid Digestion | | Tl, Thallium (ppm) | 19.6 | 1.35 | 18.7 | 20.6 | 4-Acid Digestion | | Tm, Thulium (ppm) | 0.28 | 0.06 | 0.21 | 0.36 | 4-Acid Digestion | | U, Uranium (ppm) | 3.92 | 0.156 | 3.73 | 4.11 | 4-Acid Digestion | | V, Vanadium (ppm) | 115 | 6 | 111 | 119 | 4-Acid Digestion | | W, Tungsten (ppm) | 1.99 | 0.34 | 1.74 | 2.23 | 4-Acid Digestion | | Y, Yttrium (ppm) | 14.9 | 2.8 | 13 | 16.8 | 4-Acid Digestion | | Yb, Ytterbium (ppm) | 1.71 | 0.34 | 1.42 | 2.01 | 4-Acid Digestion | | Zn, Zinc (wt.%) | 5.45 | 0.122 | 5.34 | 5.56 | 4-Acid Digestion | | Zr, Zirconium (ppm) | 66 | 3.6 | 63 | 69 | 4-Acid Digestion | | Ag, Silver (ppm) | 72.1 | 2.88 | 69.8 | 74.5 | Aqua Regia Digestion | | Al, Aluminium (wt.%) | 0.68 | 0.1 | 0.629 | 0.732 | Aqua Regia Digestion | | As, Arsenic (ppm) | 142 | 7 | 137 | 148 | Aqua Regia Digestion | | Be, Beryllium (ppm) | 0.55 | 0.07 | 0.46 | 0.64 | Aqua Regia Digestion | | Bi, Bismuth (ppm) | 8.07 | 0.427 | 7.7 | 8.44 | Aqua Regia Digestion | | Ca, Calcium (wt.%) | 1.01 | 0.041 | 0.97 | 1.04 | Aqua Regia Digestion | | Cd, Cadmium (ppm) | 137 | 13 | 131 | 144 | Aqua Regia Digestion | | Ce, Cerium (ppm) | 43.2 | 7.6 | 37.9 | 48.5 | Aqua Regia Digestion | | Co, Cobalt (ppm) | 16.2 | 1.26 | 15.2 | 17.2 | Aqua Regia Digestion | | Cr, Chromium (ppm) | 59 | 3.5 | 56 | 61 | Aqua Regia Digestion | | Cs, Caesium (ppm) | 1.04 | 0.095 | 0.96 | 1.12 | Aqua Regia Digestion | | Cu, Copper (ppm) | 793 | 41 | 738 | 847 | Aqua Regia Digestion | | Dy, Dysprosium (ppm) | 1.36 | 0.2 | 1.16 | 1.56 | Aqua Regia Digestion | | Er, Erbium (ppm) | 0.63 | 0.1 | 0.52 | 0.75 | Aqua Regia Digestion | | Eu, Europium (ppm) | 0.54 | 0.051 | 0.46 | 0.62 | Aqua Regia Digestion | | Fe, Iron (wt.%) | 5.02 | 0.261 | 4.84 | 5.19 | Aqua Regia Digestion | | Ga, Gallium (ppm) | 2.86 | 0.45 | 2.53 | 3.19 | Aqua Regia Digestion | | Gd, Gadolinium (ppm) | 2.24 | 0.25 | 1.94 | 2.53 | Aqua Regia Digestion | | Hf, Hafnium (ppm) | 0.43 | 0.07 | 0.36 | 0.5 | Aqua Regia Digestion | | Hg, Mercury (ppm) | 2.09 | 0.111 | 1.96 | 2.23 | Aqua Regia Digestion | | Ho, Holmium (ppm) | 0.24 | 0.04 | 0.19 | 0.29 | Aqua Regia Digestion | | In, Indium (ppm) | 1.4 | 0.22 | 1.23 | 1.57 | Aqua Regia Digestion | | K, Potassium (wt.%) | 0.27 | 0.035 | 0.25 | 0.291 | Aqua Regia Digestion | | La, Lanthanum (ppm) | 17.5 | 4 | 15 | 19.9 | Aqua Regia Digestion | | Li, Lithium (ppm) | 5.59 | 1.25 | 4.61 | 6.56 | Aqua Regia Digestion | | Lu, Lutetium (ppm) | 0.093 | 0.013 | 0.077 | 0.109 | Aqua Regia Digestion | | Mg, Magnesium (wt.%) | 0.614 | 0.05 | 0.585 | 0.643 | Aqua Regia Digestion | | Mn, Manganese (wt.%) | 0.11 | 0.006 | 0.107 | 0.114 | Aqua Regia Digestion | | Mo, Molybdenum (ppm) | 9.59 | 0.728 | 9.08 | 10.1 | Aqua Regia Digestion | | Na, Sodium (wt.%) | 0.01 | 0.002 | 0.009 | 0.011 | Aqua Regia Digestion | | Nd, Neodymium (ppm) | 14.6 | 1.8 | 12.6 | 16.6 | Aqua Regia Digestion | | Ni, Nickel (ppm) | 222 | 11 | 214 | 229 | Aqua Regia Digestion | | P, Phosphorus (wt.%) | 0.03 | 0.001 | 0.028 | 0.031 | Aqua Regia Digestion | | Pb, Lead (wt.%) | 3.76 | 0.092 | 3.62 | 3.89 | Aqua Regia Digestion | | Pr, Praseodymium (ppm) | 3.72 | 0.57 | 2.9 | 4.54 | Aqua Regia Digestion | | Rb, Rubidium (ppm) | 16.6 | 2.7 | 14.9 | 18.4 | Aqua Regia Digestion | | S, Sulphur (wt.%) | 5.5 | 0.238 | 5.32 | 5.68 | Aqua Regia Digestion | | Sb, Antimony (ppm) | 72 | 11 | 66 | 78 | Aqua Regia Digestion | | Sc, Scandium (ppm) | 1.95 | 0.21 | 1.79 | 2.1 | Aqua Regia Digestion | | Se, Selenium (ppm) | 2.63 | 0.54 | 2.26 | 3 | Aqua Regia Digestion | | Sm, Samarium (ppm) | 2.75 | 0.35 | 2.39 | 3.11 | Aqua Regia Digestion | | Sn, Tin (ppm) | 1.01 | 0.17 | 0.85 | 1.16 | Aqua Regia Digestion | | Sr, Strontium (ppm) | 15.9 | 2.2 | 14.5 | 17.2 | Aqua Regia Digestion | | Ta, Tantalum (ppm) | 0.05 | IND | IND | IND | Aqua Regia Digestion | | Tb, Terbium (ppm) | 0.29 | 0.03 | 0.25 | 0.33 | Aqua Regia Digestion | | Te, Tellurium (ppm) | 0.26 | 0.06 | 0.2 | 0.31 | Aqua Regia Digestion | | Th, Thorium (ppm) | 7.15 | 0.82 | 6.59 | 7.71 | Aqua Regia Digestion | | Ti, Titanium (wt.%) | 0.01 | 0.001 | 0.009 | 0.01 | Aqua Regia Digestion | | Tl, Thallium (ppm) | 13.2 | 1.6 | 12.2 | 14.3 | Aqua Regia Digestion | | Tm, Thulium (ppm) | 0.078 | 0.022 | 0.054 | 0.102 | Aqua Regia Digestion | | U, Uranium (ppm) | 2.42 | 0.105 | 2.3 | 2.55 | Aqua Regia Digestion | | V, Vanadium (ppm) | 17.9 | 2.9 | 16.4 | 19.5 | Aqua Regia Digestion | | W, Tungsten (ppm) | 0.37 | 0.06 | 0.28 | 0.46 | Aqua Regia Digestion | | Y, Yttrium (ppm) | 5.75 | 0.73 | 5.27 | 6.23 | Aqua Regia Digestion | | Yb, Ytterbium (ppm) | 0.6 | 0.11 | 0.49 | 0.71 | Aqua Regia Digestion | | Zn, Zinc (wt.%) | 5.42 | 0.18 | 5.25 | 5.59 | Aqua Regia Digestion | | Zr, Zirconium (ppm) | 13.3 | 1.4 | 12.3 | 14.3 | Aqua Regia Digestion | | Ag, Silver (ppm) | 69 | 6.95 | 59.6 | 78.4 | Borate / Peroxide Fusion ICP | | Al, Aluminium (wt.%) | 5.34 | 0.087 | 5.24 | 5.45 | Borate / Peroxide Fusion ICP | | As, Arsenic (ppm) | 142 | 26 | 118 | 165 | Borate / Peroxide Fusion ICP | | B, Boron (ppm) | 99 | 23 | 73 | 125 | Borate / Peroxide Fusion ICP | | Ba, Barium (wt.%) | 0.221 | 0.012 | 0.209 | 0.232 | Borate / Peroxide Fusion ICP | | Be, Beryllium (ppm) | 2.29 | 0.45 | 1.49 | 3.09 | Borate / Peroxide Fusion ICP | | Bi, Bismuth (ppm) | 8.97 | 1.29 | 7.04 | 10.89 | Borate / Peroxide Fusion ICP | | Ca, Calcium (wt.%) | 0.976 | 0.081 | 0.911 | 1.04 | Borate / Peroxide Fusion ICP | | Cd, Cadmium (ppm) | 143 | 9 | 133 | 152 | Borate / Peroxide Fusion ICP | | Ce, Cerium (ppm) | 66 | 2.8 | 63 | 70 | Borate / Peroxide Fusion ICP | | Co, Cobalt (ppm) | 19 | 1.42 | 17.5 | 20.6 | Borate / Peroxide Fusion ICP | | Cr, Chromium (ppm) | 199 | 33 | 175 | 223 | Borate / Peroxide Fusion ICP | | Cs, Caesium (ppm) | 3.32 | 0.234 | 2.93 | 3.71 | Borate / Peroxide Fusion ICP | | Cu, Copper (ppm) | 782 | 49 | 699 | 865 | Borate / Peroxide Fusion ICP | | Dy, Dysprosium (ppm) | 3.86 | 0.296 | 3.34 | 4.37 | Borate / Peroxide Fusion ICP | | Er, Erbium (ppm) | 2.2 | 0.196 | 1.98 | 2.42 | Borate / Peroxide Fusion ICP | | Eu, Europium (ppm) | 1.04 | 0.1 | 0.92 | 1.17 | Borate / Peroxide Fusion ICP | | Fe, Iron (wt.%) | 5.29 | 0.161 | 5.17 | 5.41 | Borate / Peroxide Fusion ICP | | Ga, Gallium (ppm) | 16.7 | 1.9 | 15.1 | 18.4 | Borate / Peroxide Fusion ICP | | Gd, Gadolinium (ppm) | 4.4 | 0.313 | 4.06 | 4.73 | Borate / Peroxide Fusion ICP | | Ge, Germanium (ppm) | 4.43 | 0.8 | 3.05 | 5.81 | Borate / Peroxide Fusion ICP | | Hf, Hafnium (ppm) | 2.45 | 0.42 | 1.88 | 3.02 | Borate / Peroxide Fusion ICP | | Ho, Holmium (ppm) | 0.72 | 0.053 | 0.63 | 0.82 | Borate / Peroxide Fusion ICP | | In, Indium (ppm) | 1.54 | 0.119 | 1.37 | 1.71 | Borate / Peroxide Fusion ICP | | K, Potassium (wt.%) | 2.61 | 0.088 | 2.52 | 2.69 | Borate / Peroxide Fusion ICP | | La, Lanthanum (ppm) | 32.3 | 2.24 | 30.7 | 33.9 | Borate / Peroxide Fusion ICP | | Li, Lithium (ppm) | 22.4 | 1.95 | 19.7 | 25.1 | Borate / Peroxide Fusion ICP | | Lu, Lutetium (ppm) | 0.31 | 0.03 | 0.27 | 0.35 | Borate / Peroxide Fusion ICP | | Mg, Magnesium (wt.%) | 0.872 | 0.027 | 0.84 | 0.904 | Borate / Peroxide Fusion ICP | | Mn, Manganese (wt.%) | 0.116 | 0.005 | 0.11 | 0.121 | Borate / Peroxide Fusion ICP | | Mo, Molybdenum (ppm) | 11 | 1.4 | 8.7 | 13.2 | Borate / Peroxide Fusion ICP | | Nb, Niobium (ppm) | 9.73 | 1.17 | 8.61 | 10.85 | Borate / Peroxide Fusion ICP | | Nd, Neodymium (ppm) | 27.9 | 1.84 | 26.3 | 29.5 | Borate / Peroxide Fusion ICP | | Ni, Nickel (ppm) | 237 | 18 | 221 | 254 | Borate / Peroxide Fusion ICP | | P, Phosphorus (wt.%) | 0.036 | 0.005 | 0.027 | 0.044 | Borate / Peroxide Fusion ICP | | Pb, Lead (wt.%) | 3.69 | 0.134 | 3.53 | 3.85 | Borate / Peroxide Fusion ICP | | Pr, Praseodymium (ppm) | 7.34 | 0.701 | 6.65 | 8.03 | Borate / Peroxide Fusion ICP | | Rb, Rubidium (ppm) | 126 | 9 | 118 | 133 | Borate / Peroxide Fusion ICP | | S, Sulphur (wt.%) | 5.52 | 0.161 | 5.38 | 5.67 | Borate / Peroxide Fusion ICP | | Sb, Antimony (ppm) | 102 | 6 | 93 | 110 | Borate / Peroxide Fusion ICP | | Sc, Scandium (ppm) | 8.58 | 0.95 | 6.97 | 10.18 | Borate / Peroxide Fusion ICP | | Si, Silicon (wt.%) | 27.03 | 1.197 | 25.98 | 28.08 | Borate / Peroxide Fusion ICP | | Sm, Samarium (ppm) | 5.07 | 0.431 | 4.65 | 5.5 | Borate / Peroxide Fusion ICP | | Sr, Strontium (ppm) | 68 | 8 | 61 | 75 | Borate / Peroxide Fusion ICP | | Ta, Tantalum (ppm) | 0.79 | 0.16 | 0.61 | 0.97 | Borate / Peroxide Fusion ICP | | Tb, Terbium (ppm) | 0.62 | 0.035 | 0.57 | 0.67 | Borate / Peroxide Fusion ICP | | Th, Thorium (ppm) | 11.3 | 0.76 | 10.6 | 12 | Borate / Peroxide Fusion ICP | | Ti, Titanium (wt.%) | 0.242 | 0.008 | 0.232 | 0.251 | Borate / Peroxide Fusion ICP | | Tl, Thallium (ppm) | 18.5 | 1.22 | 17.3 | 19.7 | Borate / Peroxide Fusion ICP | | Tm, Thulium (ppm) | 0.32 | 0.027 | 0.28 | 0.36 | Borate / Peroxide Fusion ICP | | U, Uranium (ppm) | 4.03 | 0.323 | 3.72 | 4.34 | Borate / Peroxide Fusion ICP | | V, Vanadium (ppm) | 117 | 7 | 109 | 125 | Borate / Peroxide Fusion ICP | | W, Tungsten (ppm) | 1.88 | 0.49 | 0.62 | 3.13 | Borate / Peroxide Fusion ICP | | Y, Yttrium (ppm) | 20.8 | 2.6 | 18.8 | 22.9 | Borate / Peroxide Fusion ICP | | Yb, Ytterbium (ppm) | 2.19 | 0.186 | 1.91 | 2.47 | Borate / Peroxide Fusion ICP | | Zn, Zinc (wt.%) | 5.46 | 0.122 | 5.3 | 5.61 | Borate / Peroxide Fusion ICP | | Zr, Zirconium (ppm) | 85 | 4.6 | 77 | 93 | Borate / Peroxide Fusion ICP | | Al2O3, Aluminium(III) oxide (wt.%) | 10.1 | 0.159 | 9.98 | 10.22 | Borate Fusion XRF | | As, Arsenic (ppm) | 183 | 51 | 114 | 252 | Borate Fusion XRF | | BaO, Barium oxide (wt.%) | 0.247 | 0.017 | 0.236 | 0.259 | Borate Fusion XRF | | CaO, Calcium oxide (wt.%) | 1.41 | 0.034 | 1.39 | 1.44 | Borate Fusion XRF | | Cu, Copper (ppm) | 834 | 47 | 751 | 916 | Borate Fusion XRF | | Fe, Iron (wt.%) | 5.25 | 0.103 | 5.19 | 5.32 | Borate Fusion XRF | | K2O, Potassium oxide (wt.%) | 3.12 | 0.105 | 3.06 | 3.18 | Borate Fusion XRF | | MgO, Magnesium oxide (wt.%) | 1.47 | 0.065 | 1.43 | 1.5 | Borate Fusion XRF | | Mn, Manganese (wt.%) | 0.116 | 0.006 | 0.113 | 0.119 | Borate Fusion XRF | | Na2O, Sodium oxide (wt.%) | 0.23 | 0.071 | 0.154 | 0.307 | Borate Fusion XRF | | P2O5, Phosphorus(V) oxide (wt.%) | 0.075 | 0.009 | 0.071 | 0.08 | Borate Fusion XRF | | Pb, Lead (wt.%) | 3.82 | 0.233 | 3.66 | 3.98 | Borate Fusion XRF | | S, Sulphur (wt.%) | 5.48 | 0.395 | 5.19 | 5.76 | Borate Fusion XRF | | SiO2, Silicon dioxide (wt.%) | 55.96 | 0.932 | 55.41 | 56.51 | Borate Fusion XRF | | TiO2, Titanium dioxide (wt.%) | 0.405 | 0.009 | 0.392 | 0.418 | Borate Fusion XRF | | Zn, Zinc (wt.%) | 5.55 | 0.119 | 5.47 | 5.64 | Borate Fusion XRF | | C, Carbon (wt.%) | 1.47 | 0.049 | 1.43 | 1.5 | Infrared Combustion | | S, Sulphur (wt.%) | 5.6 | 0.115 | 5.49 | 5.71 | Infrared Combustion | | LOI1000, Loss On Ignition @1000°C (wt.%) | 7.85 | 0.132 | 7.7 | 8 | Thermogravimetry |
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