Copper Low Grade
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QCRM-5-078Copper Slag – 1.64% Cu; 34.8% Fe; 14.1% Si – Dundee Precious Metals, Namibia
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| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al | % | 1.13 | ±0.15 |
| Co | % | 0.011 | ±0.004 |
| Cu | % | 1.64 | ±0.11 |
| Cu (soluble) | % | 0.76 | ±0.05 |
| Fe | % | 34.8 | ±1.5 |
| Mn | % | 0.052 | ±0.006 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| Ag | g/t | 18.4 | ±4.4 |
| As | % | 0.45 | ±0.11 |
| Ca | % | 3.24 | ±0.18 |
| Mg | % | 0.71 | ±0.04 |
| Ni | % | 0.009 | ±0.002 |
| S | % | 0.68 | ±0.07 |
| Si | % | 14.1 | ±2.0 |
QCRM-5-078 is a certified reference material which is suitable for use as random control samples in routine analytical laboratory quality control, when inserted within a batch of samples and measured in parallel to the unknown. The QCRM can also be used as a control sample in the analysis of samples of a similar type, verification of analytical methods for low grade copper and as a calibration standard for the calibration of equipment used for analysing similar materials.
