ISO 2830:1973

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

Automatically translated name:

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

STANDARD published on 1.12.1973

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The information about the standard:

Designation standards: ISO 2830:1973
Publication date standards: 1.12.1973
SKU: NS-430486
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO

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Annotation of standard text ISO 2830:1973 :

Description / Abstract: 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.