QCRM-1-139Chrome Concentrate – 41.40% Cr2O3 – Metchem Laboratory
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 15.67 | ±0.26 |
| Cr2O3 | % | 41.40 | ±0.17 |
| FeO | % | 27.18 | ±0.15 |
| MgO | % | 9.83 | ±0.14 |
| MnO | % | 0.242 | ±0.009 |
| P | % | 0.004 | ±0.002 |
| S | % | 0.038 | ±0.019 |
| SiO2 | % | 3.065 | ±0.062 |
| TiO2 | % | 0.960 | ±0.029 |
| ASSIGNED VALUES (FOR INFORMATION ONLY) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| CaO | % | 0.239 | ±0.048 |
| V2O5 | % | 0.365 | ±0.059 |
QCRM-1-139 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, instrument calibration and verification of analytical methods for chrome analysis.
| Weight | 100 g |
|---|
Number of packets: