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ISO 2830:1973

Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

Standard Details

Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.

General Information

Status : Published
Standard Type: Main
Document No: ISO 2830:1973
Document Year: 1973
Pages: 3
Edition: 1
  • Section Volume:
  • ISO/TC 226. Materials for the production of primary aluminium

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ISO 2830:1973
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