OREAS WON25
Артикул: WON25
WON25 was prepared from phosphate ore sourced from the Wonarah Phosphate
Project located in the Barkly Tableland of Northern Territory, Australia. The
project consists of two sites known as ‘Arruwurra’ and ‘Main Zone’. WON14 is one
from a suite of four phosphate CRMs (the others being WON20, WON25 and WON30).
All four CRMs have been characterised for P2O5, SiO2, TiO2, Al2O3, Fe2O3, CaO,
MgO, MnO, K2O, Na2O and LOI at 1000°C.
Specifications
- State: oxide
- Matrix: phosphatic limestone
- Mineralisation: shallow marine sediment hosted
- CRM Group: P2O5 ore
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| P2O5, Phosphorus(V) oxide (wt.%) | 24.70 | 0.317 | 24.47 | 24.94 | Borate Fusion XRF |
| Al2O3, Aluminium(III) oxide (wt.%) | 4.36 | 0.039 | 4.33 | 4.39 | Borate Fusion XRF |
| CaO, Calcium oxide (wt.%) | 33.29 | 0.244 | 33.10 | 33.48 | Borate Fusion XRF |
| Fe2O3, Iron(III) oxide (wt.%) | 1.16 | 0.027 | 1.14 | 1.18 | Borate Fusion XRF |
| K2O, Potassium oxide (wt.%) | 0.346 | 0.008 | 0.340 | 0.352 | Borate Fusion XRF |
| MgO, Magnesium oxide (wt.%) | 0.154 | 0.033 | 0.128 | 0.180 | Borate Fusion XRF |
| MnO, Manganese oxide (wt.%) | 0.030 | 0.004 | 0.026 | 0.033 | Borate Fusion XRF |
| Na2O, Sodium oxide (wt.%) | 0.067 | 0.029 | 0.045 | 0.088 | Borate Fusion XRF |
| SiO2, Silicon dioxide (wt.%) | 31.77 | 0.282 | 31.55 | 31.98 | Borate Fusion XRF |
| TiO2, Titanium dioxide (wt.%) | 0.191 | 0.010 | 0.183 | 0.199 | Borate Fusion XRF |
| LOI1000, Loss on ignition @1000 °C (wt.%) | 2.41 | 0.108 | 2.32 | 2.50 | Thermogravimetry |
Характеристики продукта
Сертифицированные справочные значения
| Аналит | Сертифицированное значение | Неопределённость (1SD) | 95% доверительный нижний | 95% доверительный верхний | Метод |
|---|
SD = стандартное отклонение | CL = 95% доверительные пределы
Методы: AR = царская водка, 4-Acid = четырёхкислотное разложение, LBF = сплавление с боратом лития, FA/AAS = пробирный анализ / AAS, LECO = анализ горения LECO
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