QCRM-4-043Iron Ore (HG) hematite – 64.78% Fe; 5.00% Si – Kumba Iron Ore Mine
| Certified values | |||
|---|---|---|---|
| Analytes | Units | Concentrations | Expanded uncertainty |
| Al2O3 | % | 1.14 | ±0.02 |
| CaO | % | 0.18 | ±0.01 |
| Fe | % | 64.78 | ±0.12 |
| K2O | % | 0.188 | ±0.004 |
| LOI | % | 0.47 | ±0.03 |
| MgO | % | 0.03 | ±0.01 |
| Mn | % | 0.024 | ±0.002 |
| Na2O | % | 0.024 | ±0.006 |
| P | % | 0.060 | ±0.002 |
| S | % | 0.006 | ±0.002 |
| SiO2 | % | 5.00 | ±0.05 |
| TiO2 | % | 0.056 | ±0.002 |
QCRM-4-043 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 |
|---|
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