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Homepage>ISO Standards>ISO 3390:1976-Aluminium oxide primarily used for the production of aluminium-Determination of manganese content-Flame atomic absorption method
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download between 0-24 hoursReleased: 1976
ISO 3390:1976-Aluminium oxide primarily used for the production of aluminium-Determination of manganese content-Flame atomic absorption method

ISO 3390:1976

Aluminium oxide primarily used for the production of aluminium

CURRENCY
65 EUR
Standard´s number:ISO 3390:1976
Pages:6
Edition:1
Released:1976
Language:English
DESCRIPTION

ISO 3390:1976


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.
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