ISO 794:1976 Preview
Magnesium and magnesium alloys -- Determination of copper content -- Oxalyldihydrazide photometric method
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
The method is applicable to the determination of copper content between 0,002 and 0,4 % (m/m) in magnesium and magnesium alloys other than alloys containing zirconium. Specifies principle and procedure of the method, reagents, apparatus, sampling, expression of results and test report.