QCRM-1-172Chrome Ore – 36.54% Cr2O3 – Samancor Western Chrome Mine
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 14.36 | ±0.10 |
| CaO | % | 1.15 | ±0.10 |
| Cr2O3 | % | 36.54 | ±0.10 |
| FeO | % | 23.53 | ±0.15 |
| MgO | % | 10.88 | ±0.09 |
| MnO | % | 0.22 | ±0.01 |
| P | % | 0.006 | ±0.002 |
| S | % | 0.014 | ±0.004 |
| SiO2 | % | 10.36 | ±0.24 |
| TiO2 | % | 0.67 | ±0.03 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| V2O5 | % | 0.32 | ±0.02 |
QCRM-1-172 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 ore and as a calibration standard for the calibration of equipment used for analyzing similar materials.
| Weight | 100 g |
|---|
Number of packets: