Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 464
OREAS 464 is a high grade ore, rare earth element (TREO = 5.10%)
matrix-matched certified reference material (MMCRM) prepared and certified by
Ore Research & Exploration. The materials constituting OREAS 464 were
sourced from Lynas Corporation’s Mount Weld Project (the ‘Central Lanthanide
Deposit’) which is located 35 kilometres south of Laverton in Western Australia.
The Mount Weld source materials (waste, low and medium grade REE ores) were
found to be highly hygroscopic to the extent that significant analytical errors
would likely result during analysis unless strict moisture handling procedures
were adhered. To avoid this complication, the hygroscopic property was destroyed
by roasting the materials at 900°C for 2 hours. Following re-equilibration of
the materials to laboratory atmosphere the hygroscopic moisture content was
deemed acceptable (~0.5% H2O-).
OREAS 464 is one of six MMCRMs ranging TREO 0.53 – 9.88% and contains 113 certified values (and 51 indicative values) including REE’s, majors and traces by fusion XRF, fusion ICP and 4-acid digestion.
A summary of the mineralogy and supergene enrichment processes that operated in the host lateritic rocks is given in the Certificates of Analysis. Two ‘Datapack’ files are provided. The ‘Elemental’ version contains all Certified Values in their elemental form while the other Datapack shows some of the Certified Values in oxide format. This includes the fusion XRF group and the majors and REE’s (and a few other associated metals) in the fusion ICP group.
| Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
|---|---|---|---|---|---|
| CeO2, Cerium(IV) oxide (wt.%) | 1.88 | 0.065 | 1.84 | 1.92 | Borate / Peroxide Fusion ICP |
| La2O3, Lanthanum(III) oxide (wt.%) | 1.37 | 0.037 | 1.36 | 1.39 | Borate / Peroxide Fusion ICP |
| Nd2O3, Neodymium(III) oxide (wt.%) | 1.16 | 0.037 | 1.14 | 1.18 | Borate / Peroxide Fusion ICP |
| CeO2, Cerium(IV) oxide (wt.%) | 1.89 | 0.027 | 1.87 | 1.92 | Borate Fusion XRF |
| Fe2O3, Iron(III) oxide (wt.%) | 54.38 | 1.031 | 52.99 | 55.77 | Borate Fusion XRF |
| La2O3, Lanthanum(III) oxide (wt.%) | 1.41 | 0.020 | 1.39 | 1.42 | Borate Fusion XRF |
| Nd2O3, Neodymium(III) oxide (wt.%) | 1.12 | 0.036 | 1.08 | 1.16 | Borate Fusion XRF |
| Pr6O11, Praseodymium(III,IV) oxide (ppm) | 3070 | 99 | 2987 | 3152 | Borate Fusion XRF |
| Sm2O3, Samarium(III) oxide (ppm) | 1635 | 55 | 1584 | 1685 | Borate Fusion XRF |
| ThO2, Thorium dioxide (ppm) | 576 | 84 | 492 | 660 | Borate Fusion XRF |
| Y2O3, Yttrium(III) oxide (ppm) | 562 | 69 | 502 | 622 | Borate Fusion XRF |
| LOI1000, Loss On Ignition @1000 °C (wt.%) | 0.697 | 0.071 | 0.608 | 0.786 | Thermogravimetry |
| Al2O3, Aluminium(III) oxide (wt.%) | 8.75 | 0.284 | 8.54 | 8.96 | Borate / Peroxide Fusion ICP |
| BaO, Barium oxide (ppm) | 1850 | 77 | 1802 | 1897 | Borate / Peroxide Fusion ICP |
| Be, Beryllium (ppm) | 15.6 | 1.6 | 14.1 | 17.1 | Borate / Peroxide Fusion ICP |
| Bi, Bismuth (ppm) | 3.80 | 0.43 | 3.34 | 4.25 | Borate / Peroxide Fusion ICP |
| CaO, Calcium oxide (wt.%) | 1.25 | 0.046 | 1.22 | 1.28 | Borate / Peroxide Fusion ICP |
| Co, Cobalt (ppm) | 18.0 | 3.4 | 14.8 | 21.3 | Borate / Peroxide Fusion ICP |
| Cr2O3, Chromium(III) oxide (ppm) | 577 | 32 | 557 | 597 | Borate / Peroxide Fusion ICP |
| Cs, Caesium (ppm) | 0.27 | 0.04 | 0.24 | 0.30 | Borate / Peroxide Fusion ICP |
| Dy2O3, Dysprosium(III) oxide (ppm) | 204 | 9 | 199 | 210 | Borate / Peroxide Fusion ICP |
| Er2O3, Erbium(III) oxide (ppm) | 43.6 | 1.49 | 42.8 | 44.5 | Borate / Peroxide Fusion ICP |
| Eu2O3, Europium(III) oxide (ppm) | 375 | 10 | 371 | 379 | Borate / Peroxide Fusion ICP |
| Fe2O3, Iron(III) oxide (wt.%) | 53.24 | 1.440 | 52.15 | 54.33 | Borate / Peroxide Fusion ICP |
| Ga, Gallium (ppm) | 106 | 21 | 80 | 132 | Borate / Peroxide Fusion ICP |
| Gd2O3, Gadolinium(III) oxide (ppm) | 779 | 35 | 758 | 801 | Borate / Peroxide Fusion ICP |
| HfO2, Hafnium dioxide (ppm) | 14.8 | 0.91 | 14.2 | 15.3 | Borate / Peroxide Fusion ICP |
| Ho2O3, Holmium(III) oxide (ppm) | 24.4 | 1.54 | 23.5 | 25.3 | Borate / Peroxide Fusion ICP |
| In, Indium (ppm) | 2.14 | 0.163 | 2.00 | 2.28 | Borate / Peroxide Fusion ICP |
| K2O, Potassium oxide (wt.%) | 0.104 | 0.019 | 0.083 | 0.125 | Borate / Peroxide Fusion ICP |
| Lu2O3, Lutetium(III) oxide (ppm) | 1.92 | 0.112 | 1.87 | 1.97 | Borate / Peroxide Fusion ICP |
| MgO, Magnesium oxide (wt.%) | 1.40 | 0.063 | 1.36 | 1.45 | Borate / Peroxide Fusion ICP |
| MnO, Manganese oxide (wt.%) | 0.365 | 0.025 | 0.345 | 0.384 | Borate / Peroxide Fusion ICP |
| Mo, Molybdenum (ppm) | 77 | 4.3 | 73 | 81 | Borate / Peroxide Fusion ICP |
| Nb2O5, Niobium(V) oxide (ppm) | 2723 | 115 | 2637 | 2809 | Borate / Peroxide Fusion ICP |
| NiO, Nickel oxide (ppm) | 104 | 20 | 86 | 123 | Borate / Peroxide Fusion ICP |
| P2O5, Phosphorus(V) oxide (wt.%) | 3.23 | 0.103 | 3.15 | 3.31 | Borate / Peroxide Fusion ICP |
| PbO, Lead oxide (ppm) | 187 | 13 | 172 | 202 | Borate / Peroxide Fusion ICP |
| Pr6O11, Praseodymium(III,IV) oxide (ppm) | 3138 | 128 | 3063 | 3213 | Borate / Peroxide Fusion ICP |
| Rb, Rubidium (ppm) | 4.39 | 0.46 | 4.17 | 4.60 | Borate / Peroxide Fusion ICP |
| S, Sulphur (ppm) | 1028 | 91 | 940 | 1117 | Borate / Peroxide Fusion ICP |
| Sb, Antimony (ppm) | 1.80 | 0.25 | 1.49 | 2.11 | Borate / Peroxide Fusion ICP |
| SiO2, Silicon dioxide (wt.%) | 20.36 | 0.629 | 19.69 | 21.03 | Borate / Peroxide Fusion ICP |
| Sm2O3, Samarium(III) oxide (ppm) | 1738 | 44 | 1719 | 1756 | Borate / Peroxide Fusion ICP |
| SnO2, Tin dioxide (ppm) | 58 | 3.4 | 56 | 60 | Borate / Peroxide Fusion ICP |
| SrO, Strontium oxide (ppm) | 2437 | 82 | 2387 | 2486 | Borate / Peroxide Fusion ICP |
| Ta2O5, Tantalum(V) oxide (ppm) | 29.7 | 4.2 | 26.9 | 32.5 | Borate / Peroxide Fusion ICP |
| Tb4O7, Terbium(III,IV) oxide (ppm) | 63 | 3.2 | 61 | 65 | Borate / Peroxide Fusion ICP |
| ThO2, Thorium dioxide (ppm) | 600 | 27 | 585 | 615 | Borate / Peroxide Fusion ICP |
| TiO2, Titanium dioxide (wt.%) | 3.26 | 0.099 | 3.18 | 3.33 | Borate / Peroxide Fusion ICP |
| Tm2O3, Thulium(III) oxide (ppm) | 4.06 | 0.199 | 3.95 | 4.18 | Borate / Peroxide Fusion ICP |
| U3O8, Uranium(V,VI) oxide (ppm) | 20.7 | 0.49 | 20.5 | 21.0 | Borate / Peroxide Fusion ICP |
| V2O5, Vanadium(V) oxide (ppm) | 412 | 34 | 393 | 432 | Borate / Peroxide Fusion ICP |
| WO3, Tungsten trioxide (ppm) | < 7.00 | IND | IND | IND | Borate / Peroxide Fusion ICP |
| Y2O3, Yttrium(III) oxide (ppm) | 570 | 27 | 553 | 586 | Borate / Peroxide Fusion ICP |
| Yb2O3, Ytterbium(III) oxide (ppm) | 17.9 | 1.13 | 17.4 | 18.5 | Borate / Peroxide Fusion ICP |
| ZnO, Zinc oxide (ppm) | 1533 | 119 | 1376 | 1690 | Borate / Peroxide Fusion ICP |
| ZrO2, Zirconium dioxide (ppm) | 624 | 23 | 605 | 642 | Borate / Peroxide Fusion ICP |
| Ag, Silver (ppm) | 4.43 | 0.362 | 4.17 | 4.69 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 4.47 | 0.096 | 4.42 | 4.52 | 4-Acid Digestion |
| As, Arsenic (ppm) | 32.9 | 4.7 | 29.0 | 36.8 | 4-Acid Digestion |
| Ba, Barium (ppm) | 1648 | 72 | 1609 | 1687 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 15.2 | 1.19 | 14.4 | 16.0 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 4.05 | 0.236 | 3.90 | 4.21 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 0.851 | 0.059 | 0.811 | 0.891 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.52 | 0.09 | 0.46 | 0.58 | 4-Acid Digestion |
| Ce, Cerium (wt.%) | 1.55 | 0.048 | 1.50 | 1.60 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 17.0 | 0.93 | 16.6 | 17.4 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 335 | 37 | 303 | 367 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 0.29 | 0.018 | 0.28 | 0.30 | 4-Acid Digestion |
| Cu, Copper (ppm) | 92 | 2.2 | 90 | 93 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 182 | 7 | 177 | 186 | 4-Acid Digestion |
| Er, Erbium (ppm) | 36.9 | 1.55 | 35.9 | 38.0 | 4-Acid Digestion |
| Eu, Europium (ppm) | 334 | 19 | 322 | 347 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 35.55 | 1.569 | 34.62 | 36.48 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 670 | 26 | 651 | 689 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 7.79 | 1.32 | 6.74 | 8.85 | 4-Acid Digestion |
| Ho, Holmium (ppm) | 21.3 | 0.93 | 20.7 | 21.9 | 4-Acid Digestion |
| In, Indium (ppm) | 2.11 | 0.118 | 2.04 | 2.19 | 4-Acid Digestion |
| K, Potassium (wt.%) | 0.081 | 0.014 | 0.072 | 0.090 | 4-Acid Digestion |
| La, Lanthanum (wt.%) | 1.06 | 0.21 | 0.86 | 1.27 | 4-Acid Digestion |
| Li, Lithium (ppm) | 8.26 | 1.07 | 7.58 | 8.93 | 4-Acid Digestion |
| Lu, Lutetium (ppm) | 1.57 | 0.30 | 1.38 | 1.77 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 0.825 | 0.045 | 0.795 | 0.855 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.270 | 0.016 | 0.258 | 0.282 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 77 | 4.4 | 74 | 80 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 0.149 | 0.011 | 0.142 | 0.155 | 4-Acid Digestion |
| Nd, Neodymium (wt.%) | 0.959 | 0.026 | 0.942 | 0.976 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 89 | 6.5 | 84 | 93 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 1.36 | 0.067 | 1.31 | 1.41 | 4-Acid Digestion |
| Pb, Lead (ppm) | 205 | 32 | 184 | 226 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 2601 | 87 | 2516 | 2685 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 4.22 | 0.393 | 3.97 | 4.47 | 4-Acid Digestion |
| Re, Rhenium (ppm) | < 0.030 | IND | IND | IND | 4-Acid Digestion |
| S, Sulphur (ppm) | 983 | 79 | 934 | 1033 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 1.87 | 0.111 | 1.80 | 1.94 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 141 | 6 | 137 | 145 | 4-Acid Digestion |
| Se, Selenium (ppm) | < 50 | IND | IND | IND | 4-Acid Digestion |
| Sm, Samarium (ppm) | 1485 | 49 | 1438 | 1532 | 4-Acid Digestion |
| Sn, Tin (ppm) | 35.7 | 3.21 | 33.5 | 37.8 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 2043 | 144 | 1944 | 2142 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 20.9 | 2.7 | 18.6 | 23.2 | 4-Acid Digestion |
| Tb, Terbium (ppm) | 55 | 2.5 | 53 | 57 | 4-Acid Digestion |
| Te, Tellurium (ppm) | 0.36 | 0.07 | 0.30 | 0.42 | 4-Acid Digestion |
| Th, Thorium (ppm) | 506 | 60 | 459 | 554 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | < 1.00 | IND | IND | IND | 4-Acid Digestion |
| Tl, Thallium (ppm) | 0.15 | 0.013 | 0.14 | 0.15 | 4-Acid Digestion |
| Tm, Thulium (ppm) | 3.30 | 0.321 | 3.08 | 3.51 | 4-Acid Digestion |
| U, Uranium (ppm) | 17.6 | 0.61 | 17.2 | 18.0 | 4-Acid Digestion |
| V, Vanadium (ppm) | 207 | 26 | 188 | 226 | 4-Acid Digestion |
| W, Tungsten (ppm) | 2.37 | 0.40 | 2.10 | 2.64 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 449 | 33 | 425 | 473 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 14.3 | 0.94 | 13.6 | 15.0 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 1128 | 57 | 1090 | 1166 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 210 | 40 | 179 | 240 | 4-Acid Digestion |
Downloads
Certificate SDS NRAM (367 KB)Stock
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Pack SizePriceStock Level
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10g Sachet$5.901,400 +
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1Kg Jar$430.0033
Specifications
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CRM State:
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Matrix:
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Mineralisation:
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CRM Group(s):