Reference number
ISO 2071:1976
ISO 2071:1976
© ISO 2024
ISO 2071:1976
Aluminium oxide primarily used for the production of aluminium — Determination of zinc content — Flame atomic absorption method
Edition 1
1976-09
1976-09
Retirada
Resumen
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.
Informaciones generales
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Estado: RetiradaFecha de publicación: 1976-09Etapa: Retirada de la Norma Internacional [95.99]
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Edición: 1Número de páginas: 4
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Comité Técnico :ISO/TC 226ICS :71.100.10
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