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OREAS 33
Base metal sulphide reference material OREAS 33 was prepared from a blend of Pb-Zn-Ag sulphide ore from Pasminco Limited’s Elura Mine, central New South Wales, Australia and copper and gold-bearing material from Mt Lyell, Queenstown, Tasmania, Australia and Blackwood, central Victoria, Australia.
| Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
|---|---|---|---|---|---|
| Pb, Lead (wt.%) | 7.15 | 7.06 | 7.24 | 4-Acid Digestion | |
| Zn, Zinc (wt.%) | 4.06 | 4-Acid Digestion | |||
| Ag, Silver (ppm) | 73.5 | 72.0 | 75.0 | 4-Acid Digestion | |
| Au, Gold (ppm) | 0.521 | 0.510 | 0.531 | Pb Fire Assay | |
| Cu, Copper (ppm) | 3464 | 3397 | 3531 | 4-Acid Digestion | |
| As, Arsenic (ppm) | 1528 | 1478 | 1578 | 4-Acid Digestion | |
| Cd, Cadmium (ppm) | 94 | 91 | 97 | 4-Acid Digestion | |
| Fe, Iron (ppm) | 16.5 | 16.1 | 17.0 | 4-Acid Digestion | |
| Mn, Manganese (ppm) | 348 | 326 | 370 | 4-Acid Digestion | |
| Mo, Molybdenum (ppm) | 3.00 | 2.00 | 4.00 | 4-Acid Digestion |
Downloads
Certificate DataPack SDS NRAM (226 KB)Specifications
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