Cryolite, natural and artificial. Conventional test for evaluation of free fluorides content Ingestion-build-53008 and testing and marking of

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Cryolite, natural and artificial. Conventional test for evaluation of free fluorides content Ingestion-build-53008 and testing and marking of1 Scope 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.