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sklademVydáno: 2009-10-21
ISO/TR 4277:2009
ISO/TR 4277:2009 - Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content
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| Označení normy: | ISO/TR 4277:2009 |
| Vydání: | 1 |
| Vydáno: | 2009-10-21 |
| Počet stran (Anglicky): | 6 |
DESCRIPTION
ISO/TR 4277:2009
ISO/TR 4277:2009 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.