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ISO 2071:1976

Aluminium oxide primarily used for the production of aluminium — Determination of zinc 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

The method is applicable to products having Zn contents equal to or greater than 0,002 % (m/m). Dissolution of a test portion by hydrochloric acid under pressure. Aspiration of the solution into an acetylene-air flame and photometric measurement of the absorption of the 213,7 nm line emitted by a hollow-cathode zinc lamp. The dissolution of the sample can also be carried out by an alkaline fusion. This method is given in the annex. Replaces ISO Recommendation R 2071-1971.

Life cycle

NOW

WITHDRAWN
ISO 2071:1976
95.99 Withdrawal of Standard
Feb 4, 2016

National adoptions

SRPS H.B8.608:1979  
ISS

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

95.99   Withdrawal of Standard

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