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ISO/TR 4277:2009 - Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content immediate download Released: 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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Standard´s number: ISO/TR 4277:2009 Edition: 1 Released: 2009-10-21 Pages (English): 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.
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