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SRPS H.B8.190:1979

Aluminium fluoride for industrial use — Determination of sodium content — Flame emission spectrophotometric method

Jul 30, 1979
Jul 30, 1979
95.99   Withdrawal of Standard   Aug 27, 2012

General information

95.99     Aug 27, 2012

ISS

B082

International Standard

71.060.50  

Serbian  

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Scope

Applicable to products having Na contents, expressed as Na2 O, of equal to or more than 0.05 % (m/m). The principle bases on fusion, at a controlled temperature, of a test portion with a mixture of lithium carbonate and boric oxide or with a mixture of lithium carbonate and lithium tetraborate in a platinum or platinum-gold alloy crucible. Extraction of the fused mass with hydeochloric acid solution. Aspiration of the solution into a flame and photometric measurement of the intensity of the radiation emitted at 589 nm.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.190:1979
95.99 Withdrawal of Standard
Aug 27, 2012

Related project

Adopted from ISO 4279:1977