OREAS 349
primary
concentrate
SEDEX
OREAS 349
SKU: 349
OREAS 349 is a replacement for OREAS 350. It is a zinc concentrate certified
reference material (CRM) sourced from the McArthur River Mining operation
located in the Gulf of Carpentaria region in the Northern Territory of
Australia. The mine is situated about 900 km southeast of Darwin. The major
sulphides are pyrite, sphalerite and galena, with lesser chalcopyrite,
arsenopyrite and marcasite. Twenty-eight laboratories participated in the
certification program to determine:
Zn by classical volumetric titration
Multi-elements by 4-acid digestion with ICP-OES and MS
S by infrared combustion furnace
Specifications
- State: primary
- Matrix: concentrate
- Mineralisation: SEDEX
- CRM Group: Concentrates
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Zn, Zinc (wt.%) | 43.49 | 0.185 | 43.38 | 43.60 | Classical Wet Chemistry |
| Zn, Zinc (wt.%) | 44.03 | 1.067 | 42.64 | 45.43 | 4-Acid Digestion |
| Pb, Lead (wt.%) | 2.19 | 0.062 | 2.13 | 2.25 | 4-Acid Digestion |
| Ag, Silver (ppm) | 85.8 | 1.77 | 83.4 | 88.2 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 0.816 | 0.037 | 0.791 | 0.841 | 4-Acid Digestion |
| As, Arsenic (ppm) | 565 | 17 | 542 | 587 | 4-Acid Digestion |
| Be, Beryllium (ppm) | < 0.50 | IND | IND | IND | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 61 | 3.8 | 57 | 65 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 0.621 | 0.020 | 0.602 | 0.639 | 4-Acid Digestion |
| Cd, Cadmium (wt.%) | 0.116 | 0.004 | 0.113 | 0.119 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 10.4 | 1.3 | 9.1 | 11.7 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 127 | 9 | 121 | 133 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 99 | 13 | 88 | 110 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 0.59 | 0.036 | 0.53 | 0.65 | 4-Acid Digestion |
| Cu, Copper (wt.%) | 1.42 | 0.031 | 1.38 | 1.45 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 0.60 | 0.08 | 0.42 | 0.78 | 4-Acid Digestion |
| Er, Erbium (ppm) | 0.38 | 0.04 | 0.27 | 0.49 | 4-Acid Digestion |
| Eu, Europium (ppm) | 0.29 | 0.05 | 0.18 | 0.40 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 9.23 | 0.306 | 8.99 | 9.46 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 11.6 | 0.67 | 10.8 | 12.4 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 0.82 | 0.072 | 0.66 | 0.97 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 0.64 | 0.07 | 0.52 | 0.75 | 4-Acid Digestion |
| In, Indium (ppm) | 35.4 | 2.05 | 33.4 | 37.4 | 4-Acid Digestion |
| K, Potassium (wt.%) | 0.226 | 0.006 | 0.216 | 0.236 | 4-Acid Digestion |
| Li, Lithium (ppm) | 3.03 | 0.31 | 2.66 | 3.40 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 0.265 | 0.014 | 0.253 | 0.276 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.464 | 0.008 | 0.453 | 0.475 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 170 | 7 | 164 | 177 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 0.173 | 0.007 | 0.165 | 0.181 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 0.90 | 0.09 | 0.80 | 1.01 | 4-Acid Digestion |
| Nd, Neodymium (ppm) | 4.88 | 0.305 | 4.30 | 5.47 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 74 | 4.0 | 71 | 78 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.011 | 0.001 | 0.010 | 0.012 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 1.27 | 0.118 | 1.10 | 1.45 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 9.55 | 0.323 | 8.90 | 10.19 | 4-Acid Digestion |
| Re, Rhenium (ppm) | 0.11 | 0.01 | 0.09 | 0.13 | 4-Acid Digestion |
| S, Sulphur (wt.%) | 28.56 | 1.378 | 27.49 | 29.63 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 689 | 45 | 658 | 720 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 1.54 | 0.124 | 1.37 | 1.71 | 4-Acid Digestion |
| Se, Selenium (ppm) | 27.1 | 4.0 | 23.4 | 30.8 | 4-Acid Digestion |
| Sm, Samarium (ppm) | 0.98 | 0.080 | 0.79 | 1.16 | 4-Acid Digestion |
| Sn, Tin (ppm) | 11.3 | 1.10 | 10.1 | 12.6 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 41.2 | 5.9 | 36.9 | 45.4 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 0.082 | 0.013 | 0.064 | 0.099 | 4-Acid Digestion |
| Te, Tellurium (ppm) | 1.79 | 0.22 | 1.56 | 2.01 | 4-Acid Digestion |
| Th, Thorium (ppm) | 1.55 | 0.29 | 1.27 | 1.84 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.040 | 0.003 | 0.038 | 0.043 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 20.0 | 1.78 | 18.4 | 21.6 | 4-Acid Digestion |
| U, Uranium (ppm) | 1.59 | 0.073 | 1.48 | 1.70 | 4-Acid Digestion |
| V, Vanadium (ppm) | 13.2 | 1.6 | 11.7 | 14.6 | 4-Acid Digestion |
| W, Tungsten (ppm) | 4.19 | 0.268 | 3.84 | 4.54 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 3.55 | 0.202 | 3.25 | 3.84 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 0.35 | 0.04 | 0.24 | 0.47 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 22.8 | 1.06 | 21.6 | 24.0 | 4-Acid Digestion |
| S, Sulphur (wt.%) | 30.22 | 0.897 | 29.53 | 30.91 | Infrared Combustion |
| Al, Aluminium (wt.%) | 0.847 | 0.020 | 0.823 | 0.871 | Peroxide Fusion ICP |
| As, Arsenic (ppm) | 606 | 35 | 577 | 634 | Peroxide Fusion ICP |
| Ba, Barium (ppm) | 816 | 37 | 775 | 857 | Peroxide Fusion ICP |
| Be, Beryllium (ppm) | < 1.00 | IND | IND | IND | Peroxide Fusion ICP |
| Bi, Bismuth (ppm) | 62 | 3.3 | 57 | 66 | Peroxide Fusion ICP |
| Ca, Calcium (wt.%) | 0.648 | 0.058 | 0.593 | 0.704 | Peroxide Fusion ICP |
| Cd, Cadmium (wt.%) | 0.116 | 0.007 | 0.108 | 0.123 | Peroxide Fusion ICP |
| Ce, Cerium (ppm) | 11.3 | 0.91 | 10.1 | 12.5 | Peroxide Fusion ICP |
| Co, Cobalt (ppm) | 127 | 10 | 118 | 136 | Peroxide Fusion ICP |
| Cr, Chromium (ppm) | 116 | 31 | 91 | 141 | Peroxide Fusion ICP |
| Cu, Copper (wt.%) | 1.43 | 0.019 | 1.40 | 1.46 | Peroxide Fusion ICP |
| Fe, Iron (wt.%) | 9.42 | 0.175 | 9.20 | 9.64 | Peroxide Fusion ICP |
| Ga, Gallium (ppm) | 12.2 | 1.4 | 10.2 | 14.3 | Peroxide Fusion ICP |
| Gd, Gadolinium (ppm) | 0.95 | 0.11 | 0.71 | 1.18 | Peroxide Fusion ICP |
| In, Indium (ppm) | 36.0 | 2.32 | 32.6 | 39.3 | Peroxide Fusion ICP |
| K, Potassium (wt.%) | 0.251 | 0.043 | 0.220 | 0.283 | Peroxide Fusion ICP |
| La, Lanthanum (ppm) | 6.57 | 0.473 | 5.86 | 7.28 | Peroxide Fusion ICP |
| Mg, Magnesium (wt.%) | 0.280 | 0.012 | 0.269 | 0.290 | Peroxide Fusion ICP |
| Mn, Manganese (wt.%) | 0.472 | 0.014 | 0.457 | 0.487 | Peroxide Fusion ICP |
| Mo, Molybdenum (ppm) | 176 | 15 | 162 | 190 | Peroxide Fusion ICP |
| Nd, Neodymium (ppm) | 5.14 | 0.392 | 4.51 | 5.76 | Peroxide Fusion ICP |
| Ni, Nickel (ppm) | 79 | 12 | 64 | 93 | Peroxide Fusion ICP |
| Pb, Lead (wt.%) | 2.18 | 0.055 | 2.13 | 2.24 | Peroxide Fusion ICP |
| Pr, Praseodymium (ppm) | 1.35 | 0.081 | 1.18 | 1.52 | Peroxide Fusion ICP |
| Rb, Rubidium (ppm) | 10.2 | 0.67 | 9.0 | 11.3 | Peroxide Fusion ICP |
| S, Sulphur (wt.%) | 29.97 | 0.769 | 29.22 | 30.73 | Peroxide Fusion ICP |
| Sb, Antimony (ppm) | 731 | 46 | 684 | 779 | Peroxide Fusion ICP |
| Si, Silicon (wt.%) | 2.96 | 0.087 | 2.86 | 3.06 | Peroxide Fusion ICP |
| Sm, Samarium (ppm) | 1.01 | 0.075 | 0.83 | 1.20 | Peroxide Fusion ICP |
| Sr, Strontium (ppm) | 50 | 3.9 | 46 | 54 | Peroxide Fusion ICP |
| Th, Thorium (ppm) | 1.93 | 0.171 | 1.71 | 2.15 | Peroxide Fusion ICP |
| Ti, Titanium (wt.%) | 0.046 | 0.004 | 0.041 | 0.050 | Peroxide Fusion ICP |
| Tl, Thallium (ppm) | 20.7 | 0.98 | 19.3 | 22.1 | Peroxide Fusion ICP |
| Tm, Thulium (ppm) | < 0.10 | IND | IND | IND | Peroxide Fusion ICP |
| U, Uranium (ppm) | 1.74 | 0.155 | 1.55 | 1.93 | Peroxide Fusion ICP |
| V, Vanadium (ppm) | 18.0 | 3.1 | 14.7 | 21.2 | Peroxide Fusion ICP |
| W, Tungsten (ppm) | 4.94 | 0.62 | 3.77 | 6.11 | Peroxide Fusion ICP |
| Y, Yttrium (ppm) | 4.44 | 0.414 | 3.91 | 4.98 | Peroxide Fusion ICP |
| Yb, Ytterbium (ppm) | 0.44 | 0.08 | 0.23 | 0.64 | Peroxide Fusion ICP |
| Zn, Zinc (wt.%) | 43.96 | 0.725 | 43.10 | 44.83 | Peroxide Fusion ICP |
Product Specifications
State
primary
Matrix
concentrate
Mineralisation
SEDEX
Availability
available
Certified Reference Values
| Analyte | Certified Value | Uncertainty (1SD) | 95% Confidence Low | 95% Confidence High | Method |
|---|---|---|---|---|---|
| Ce - Cerium (ppm) | 10.4 | - | - | - | 4-Acid Digestion |
| Dy - Dysprosium (ppm) | 0.60 | - | - | - | 4-Acid Digestion |
| Er - Erbium (ppm) | 0.38 | - | - | - | 4-Acid Digestion |
| Eu - Europium (ppm) | 0.29 | - | - | - | 4-Acid Digestion |
| Gd - Gadolinium (ppm) | 0.82 | - | - | - | 4-Acid Digestion |
| Nd - Neodymium (ppm) | 4.88 | - | - | - | 4-Acid Digestion |
| Pr - Praseodymium (ppm) | 1.27 | - | - | - | 4-Acid Digestion |
| Sm - Samarium (ppm) | 0.98 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 3.55 | - | - | - | 4-Acid Digestion |
| Yb - Ytterbium (ppm) | 0.35 | - | - | - | 4-Acid Digestion |
SD = Standard Deviation | CL = 95% Confidence Limits
Methods: AR = Aqua Regia, 4-Acid = 4-Acid Digestion, LBF = Lithium Borate Fusion, FA/AAS = Fire Assay with Atomic Absorption, LECO = LECO Combustion Analysis
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