Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 23a
OREAS 23a has been prepared from barren I-type hornblende-bearing granodiorite sourced from the Late Devonian Lysterfield granodiorite complex located in the Melbourne Province of Australia. It is characterised by very low background gold of less than 4 parts per billion. It has been certified for Au, Ag, As, Ba, Bi, Cd, Co, Cu, Mo, Ni, Pb, Sb, Sn, Th, U, W and Zn.
| Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
|---|---|---|---|---|---|
| Au, Gold (ppb) | 3.0 | 1.00 | 2.0 | 4.0 | Pb Fire Assay |
| Ag, Silver (ppm) | 0.100 | 0.020 | 0.080 | 0.130 | 4-Acid Digestion |
| As, Arsenic (ppm) | 37.0 | 3.00 | 35.0 | 39.0 | 4-Acid Digestion |
| Ba, Barium (ppm) | 1092 | 62 | 1028 | 1156 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 0.15 | 0.04 | 0.14 | 0.16 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.15 | 0.13 | 0.02 | 0.29 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 14.8 | 0.60 | 14.3 | 15.3 | 4-Acid Digestion |
| Cu, Copper (ppm) | 42.1 | 1.70 | 41.3 | 42.9 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 9.60 | 0.700 | 9.10 | 10.10 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 40.5 | 1.70 | 39.1 | 41.9 | 4-Acid Digestion |
| Pb, Lead (ppm) | 21.3 | 1.00 | 20.3 | 22.3 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 0.45 | 0.040 | 0.41 | 0.48 | 4-Acid Digestion |
| Sn, Tin (ppm) | 3.10 | 0.100 | 3.00 | 3.20 | 4-Acid Digestion |
| Th, Thorium (ppm) | 20.9 | 1.70 | 19.3 | 22.4 | 4-Acid Digestion |
| U, Uranium (ppm) | 6.20 | 0.400 | 5.80 | 6.50 | 4-Acid Digestion |
| W, Tungsten (ppm) | 3.70 | 0.70 | 3.30 | 4.20 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 69 | 2.0 | 66 | 73 | 4-Acid Digestion |
Downloads
Certificate DataPack SDS NRAM (367 KB)Specifications
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CRM State:
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Matrix:
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Mineralisation:
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CRM Group(s):