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Homepage>ISO Standards>ISO 2830:1973-Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method
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download between 0-24 hoursReleased: 1973
ISO 2830:1973-Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

ISO 2830:1973

ISO 2830:1973-Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

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Standard´s number:ISO 2830:1973
Pages:3
Edition:1
Released:1973
DESCRIPTION

ISO 2830:1973


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.
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