ISO/TR 4277:2009

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

Publication date: Oct 21, 2009

General information

Current stage: 60.60 Effective date: Oct 21, 2009

Originator: ISO

Owner: ISO/TC 226

Type: Technical Report

ICS: 71.060.50

Languages: English

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Status: Published

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Scope

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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PUBLISHED
ISO/TR 4277:2009
60.60 Standard published
Oct 21, 2009

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