PBS-28 is a high-goethite iron ore certified reference material (CRM), sourced from the Pilbara region of Western Australia and certified in accordance with ISO 11459 and ISO Guide 35. This CRM is specifically designed for quality control (QC) of XRF and TGA analysis, with exceptional characterization of hydrated iron minerals.
Key Features
Key Certified Values
| Analyte | Certified Value (y) | Standard Deviation (s) | 95% Confidence Interval (CI) | ||
| 1 SD | 1 SD Within Lab | lower | upper | ||
| Fe | 53.74 | 0.230 | 0.159 | 53.63 | 53.86 |
| SiO2 | 7.12 | 0.068 | 0.033 | 7.08 | 7.15 |
| Al2O3 | 4.34 | 0.024 | 0.018 | 4.32 | 4.35 |
| TiO2 | 0.190 | 0.0063 | 0.0043 | 0.187 | 0.193 |
| Mn | 0.851 | 0.0108 | 0.0053 | 0.844 | 0.858 |
| CaO | 0.058 | 0.0044 | 0.0030 | 0.055 | 0.060 |
| P | 0.074 | 0.0017 | 0.0008 | 0.073 | 0.075 |
| S | 0.029 | 0.0007 | 0.0007 | 0.029 | 0.030 |
| K2O | 0.073 | 0.0035 | 0.0021 | 0.071 | 0.075 |
| LOI371 | 7.98 | 0.061 | 0.023 | 7.94 | 8.02 |
| LOI425 | 8.34 | 0.093 | 0.028 | 8.26 | 8.42 |
| LOI650 | 9.40 | 0.041 | 0.023 | 9.37 | 9.42 |
| LOI1000 | 9.75 | 0.044 | 0.029 | 9.72 | 9.77 |
Intended Use