QCRM-4-074Iron Ore (HG) hematite – 61.76% Fe; 7.14% Si – Kumba Iron Ore Mine
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 1.64 | ±0.02 |
| CaO | % | 0.13 | ±0.01 |
| Fe | % | 61.76 | ±0.23 |
| K2O | % | 0.23 | ±0.01 |
| LOI | % | 0.99 | ±0.07 |
| MgO | % | 0.06 | ±0.02 |
| Mn | % | 0.06 | ±0.01 |
| P | % | 0.057 | ±0.002 |
| S | % | 0.06 | ±0.01 |
| SiO2 | % | 7.14 | ±0.08 |
| TiO2 | % | 0.077 | ±0.002 |
| ASSIGNED VALUES (For information only) | |||
| Analytes | Units | Concentrations | Expanded uncertainty |
| Cr2O3 | % | 0.02 | ±0.04 |
| Na2O | % | 0.03 | ±0.02 |
QCRM-4-074 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 Iron Ore and as a calibration standard for the calibration of equipment used for analyzing similar materials.
| Weight | 100 g |
|---|
Number of packets: