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sklademVydáno: 2008-09-30
BS EN ISO 21068-3:2008
Chemical analysis of silicon-carbide-containing raw materials and refractory products Determination of nitrogen, oxygen and metallic and oxidic constituents
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| Označení normy: | BS EN ISO 21068-3:2008 |
| Počet stran: | 46 |
| Vydáno: | 2008-09-30 |
| ISBN: | 978 0 580 58093 2 |
| Status: | Standard |
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BS EN ISO 21068-3:2008
This standard BS EN ISO 21068-3:2008 Chemical analysis of silicon-carbide-containing raw materials and refractory products is classified in these ICS categories:
- 81.080 Refractories
This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free metallic and oxidic components in silicon carbide raw materials and refractory products.
It applies only to silicon carbide materials that are not bonded with nitrogen. Nitride-bonded silicon carbide refractories are covered in EN 12698-1.