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.