QCRM-5-063Copper Ore – 0.34% Cu; 3.56% Fe; 2.88g/t Ag; 33.2% Si – Rio Tinto Kennecott, USA
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al | % | 3.89 | ±0.08 |
| Ca | % | 1.80 | ±0.04 |
| Co | % | 0.003 | ±0.002 |
| Cu | % | 0.34 | ±0.01 |
| Fe | % | 3.56 | ±0.12 |
| Mg | % | 1.60 | ±0.05 |
| Mn | % | 0.022 | ±0.005 |
| Mo | % | 0.039 | ±0.002 |
| Ni | % | 0.005 | ±0.002 |
| Pb | % | 0.018 | ±0.002 |
| S | % | 1.91 | ±0.06 |
| Si | % | 33.2 | ±1.1 |
| Zn | % | 0.015 | ±0.002 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| Ag | g/t | 2.88 | ±0.88 |
| As | ppm | 63 | ±23 |
| Au | g/t | 0.21 | ±0.07 |
| Bi | ppm | 13 | ±13 |
| Cu (Soluble) | % | 0.04 | ±0.02 |
| K | % | 3.11 | ±0.14 |
| Na | % | 0.52 | ±0.16 |
| Se | ppm | 18 | ±13 |
QCRM-5-063 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 Copper Ore and as a calibration standard for the calibration of equipment used for analysing similar materials.
| Weight | 100 g |
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