ISO 3390:1976

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

Published By	Publication Date	Number of Pages
ISO	1976-09	8

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Categories: 71.100.10 - Materials for aluminium production, ISO

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Description

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.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1976-09
Pages Count	8
Language	English
Edition	1
File Size	430.1 KB
ICS Codes	71.100.10 - Materials for aluminium production

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ISO 3390:1976

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