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ISO 3390:1976

Aluminium oxide primarily used for the production of aluminium — Determination of manganese content — Flame atomic absorption method

Sep 1, 1976
95.99   Withdrawal of Standard   Feb 4, 2016

General information

95.99     Feb 4, 2016

ISO

ISO/TC 226

International Standard

71.100.10  

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Scope

Applicable to products having a Mn content between 0.0002 % (m/m) and 0.005 % (m/m). Preliminary extraction by the method specified in the annex if the apparatus available does not have a sufficient sensitivity. Describes the dissolution of a test sample by heating in a sealed borosilicate glass tube with hydrochloric acid at a controlled temperature of 250 °C. Aspiration of the solution in an air-acetylene flame and spectrophotometric measurement of the absorption of the 279.5-nm line emitted by a manganese hollow cathode lamp.

Life cycle

NOW

WITHDRAWN
ISO 3390:1976
95.99 Withdrawal of Standard
Feb 4, 2016

National adoptions

SRPS H.B8.614:1979  
ISS

Aluminium oxide primarily used for the production of aluminium — Determination of manganese content — Flame atomic absorption method

95.99   Withdrawal of Standard

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