QCRM-1-202Chrome Concentrate – 40.68% Cr2O3 – Samancor Eastern Chrome Mine
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 14.74 | ±0.11 |
| CaO | % | 0.65 | ±0.06 |
| Cr2O3 | % | 40.68 | ±0.12 |
| FeO | % | 25.42 | ±0.15 |
| MgO | % | 10.14 | ±0.13 |
| MnO | % | 0.24 | ±0.001 |
| SiO2 | % | 5.78 | ±0.07 |
| TiO2 | % | 0.63 | ±0.01 |
| V2O5 | % | 0.36 | ±0.01 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| P | % | 0.005 | ±0.002 |
| S | % | 0.007 | ±0.002 |
QCRM-1-202 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 Chrome Concentrate and as a calibration standard for the calibration of equipment used for analysing similar materials.
| Weight | 100 g |
|---|
Number of packets: