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sklademVydáno: 2010-06-30
PD ISO/TR 4277:2009
Cryolite, natural and artificial. Conventional test for evaluation of free fluorides content
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| Označení normy: | PD ISO/TR 4277:2009 |
| Počet stran: | 16 |
| Vydáno: | 2010-06-30 |
| ISBN: | 978 0 580 68202 5 |
| Status: | Standard |
Popis
PD ISO/TR 4277:2009
This standard PD ISO/TR 4277:2009 Cryolite, natural and artificial. Conventional test for evaluation of free fluorides content is classified in these ICS categories:
- 71.060.50 Salts
- 71.100.10 Materials for aluminium production
This Technical Report describes a conventional test for the evaluation of the free fluorides content of natural, artificial and recovered cryolite.
This method is applicable to products having free fluorides content greater than 0,15 % (mass fraction) of AIF3 or 0,4 % (mass fraction) of NaF.