International Standard
ISO 3978:1976
Aluminium and aluminium alloys — Determination of chromium — Spectrophotometric method using diphenylcarbazide, after extraction
Reference number
ISO 3978:1976
ISO 3978:1976
Edición 1
1976-12
1976-12
© ISO 2024
International Standard
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ISO 3978:1976
9645
No disponible en español
Publicado
(Edición 1, 1976)
Esta norma se revisó y confirmó por última vez en 2017.
Por lo tanto, esta versión es la actual.
Resumen
The method is applicable to chromium contents between 0,002 and 0,60 % (m/m). It may be extended to chromium contents of up to 1,5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
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