Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 22b
OREAS 22b has been prepared from quartz sand to which 0.5% iron oxide has been added to produce a pale grey pulp. It is characterised by extremely low background gold of less than 2 parts per billion and very low base metal values, typically less than 10 parts per million.
| Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
|---|---|---|---|---|---|
| Au, Gold (ppb) | < 2.0 | IND | IND | IND | Pb Fire Assay |
| Ag, Silver (ppm) | < 0.100 | IND | IND | IND | 4-Acid Digestion |
| Cu, Copper (ppm) | 8.90 | 0.700 | 7.80 | 9.90 | 4-Acid Digestion |
| As, Arsenic (ppm) | < 1.00 | IND | IND | IND | 4-Acid Digestion |
| Ba, Barium (ppm) | 6.90 | 0.400 | 6.30 | 7.40 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | ~0.020 | 4-Acid Digestion | |||
| Cd, Cadmium (ppm) | < 0.10 | IND | IND | IND | 4-Acid Digestion |
| Co, Cobalt (ppm) | 0.61 | 0.000 | 0.59 | 0.63 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 4.90 | 0.200 | 4.70 | 5.20 | 4-Acid Digestion |
| Ni, Nickel (ppm) | ~5.00 | 4-Acid Digestion | |||
| Pb, Lead (ppm) | < 2.00 | IND | IND | IND | 4-Acid Digestion |
| Sb, Antimony (ppm) | < 0.20 | IND | IND | IND | 4-Acid Digestion |
| Sn, Tin (ppm) | 0.60 | 0.10 | 0.40 | 0.80 | 4-Acid Digestion |
| Th, Thorium (ppm) | 0.60 | 0.000 | 0.50 | 0.70 | 4-Acid Digestion |
| U, Uranium (ppm) | ~0.100 | 4-Acid Digestion | |||
| W, Tungsten (ppm) | < 0.20 | IND | IND | IND | 4-Acid Digestion |
| Zn, Zinc (ppm) | 10.0 | 0.70 | 8.0 | 12.0 | 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):