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ISO International Standard

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

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.

Purchase ISO Standard

  • Publication Date: 2009-10-21
  • Ref: ISO/TR 4277:2009
  • stdNumber: 4277
  • Version: 1
  • Edition: 1
  • Pages: 6

$45.20

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