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ISO/TR 4277:2009

Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO/TR 4277:2009
Document Year: 2009
Pages: 6
Edition: 1
  • Section Volume:
  • ISO/TC 226. Materials for the production of primary aluminium

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ISO/TR 4277:2009
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