QCRM-1-129Chrome “Blank” – 0.091% Cr2O3 – Dwarsrivier Chrome Mine
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 26.290 | ±0.662 |
| Cr2O3 | % | 0.091 | ±0.088 |
| FeO | % | 2.401 | ±0.095 |
| MgO | % | 2.457 | ±0.274 |
| SiO2 | % | 48.683 | ±0.461 |
| TiO2 | % | 0.121 | |
| ASSIGNED VALUES, FOR INFORMATION ONLY | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| CaO | % | 14.590 | ±0.089 |
| MnO | % | 0.040 | ±0.000 |
| P | % | 0.007 | ±0.002 |
| S | % | 0.007 | ±0.006 |
| V2O5 | % | 0.009 | ±0.004 |
QCRM-1-129 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 analysis and as a calibration standard for the calibration of equipment used for analyzing similar materials.
| Weight | 100 g |
|---|
Number of packets: