ISO-4277 › Cryolite, natural and artificial - Conventional test for evaluation of free fluorides content
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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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Document Number
ISO/TR 4277:2009
Revision Level
1ST EDITION
Status
Current
Publication Date
Nov. 1, 2009
Committee Number
ISO/TC 226