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sklademVydáno: 2010-09-30
BS EN ISO 20565-2:2008
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) Wet chemical analysis
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| Označení normy: | BS EN ISO 20565-2:2008 |
| Počet stran: | 34 |
| Vydáno: | 2010-09-30 |
| ISBN: | 978 0 580 72653 8 |
| Status: | Standard |
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BS EN ISO 20565-2:2008
This standard BS EN ISO 20565-2:2008 Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) is classified in these ICS categories:
- 81.080 Refractories
This part of ISO 20565 specifies traditional (“wet process”) methods for the chemical analysis of chrome-bearing refractory products and raw materials.
It is applicable to components within the ranges of determination given in Table 1.
Table 1 — Range of determination (% by mass)
| Component | Range |
|---|---|
| SiO2 | 0,5 to 10 |
| Al2O3 | 2 to 30 |
| Fe2O3 | 0,5 to 25 |
| TiO2 | 0,01 to 1 |
| MnO | 0,01 to 1 |
| CaO | 0,01 to 3 |
| MgO | 15 to 85 |
| Na2O | 0,01 to 1 |
| K2O | 0,01 to 1 |
| Cr2O3 | 2 to 60 |
| ZrO2 | 0,01 to 0,5 |
| P2O5 | 0,01 to 5 |
| LOI | −0,5 to 5 |
NOTE These values are after the loss on ignition (LOI) has been taken into account.