ISO 3978:1976
Aluminium and aluminium alloys; Determination of chromium; Spectrophotometric method using diphenylcarbazide, after extraction

Standard No.

ISO 3978:1976

Release Date

1976

Published By

International Organization for Standardization (ISO)

Latest

ISO 3978:1976

Scope

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.

ISO 3978:1976 history

• 1976 ISO 3978:1976 Aluminium and aluminium alloys; Determination of chromium; Spectrophotometric method using diphenylcarbazide, after extraction