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SRPS H.B8.131:1980

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

Jun 21, 1980
Jun 21, 1980
95.99   Withdrawal of Standard   Dec 20, 2012

General information

95.99     Dec 20, 2012

ISS

B082

International Standard

71.060.50  

Serbian  

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Scope

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.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.131:1980
95.99 Withdrawal of Standard
Dec 20, 2012

Related project

Adopted from ISO 2830:1973