QCRM-8-055Cobalt Concentrate – 22.76% Co; 1.91% Cu; 10.96% Mn; 0.25% Zn – Ruashi Mining, DRC
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Co | % | 22.76 | ±0.44 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al | % | 0.44 | ±0.05 |
| Ca | % | 3.75 | ±0.27 |
| Cu | % | 1.91 | ±0.07 |
| Fe | % | 0.14 | ±0.03 |
| Mg | % | 3.08 | ±0.20 |
| Mn | % | 10.96 | ±0.19 |
| Ni | % | 0.11 | ±0.01 |
| Zn | % | 0.25 | ±0.02 |
QCRM-8-055 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 Cobalt Concentrate and as a calibration standard for the calibration of equipment used for analysing similar materials.
| Weight | 100 g |
|---|
Number of packets:
Category: Cobalt

