90.93 Standard confirmed Aug 16, 2021
ISO
ISO/TC 17/SC 1 Methods of determination of chemical composition
International Standard
77.080.01 Ferrous metals in general
Published
ISO 4946:2016 specifies a spectrophotometric method for the determination of copper in steel and cast iron by 2,2'-biquinoline.
The method is applicable to the determination of copper mass fraction in the range of 0,02 % and 5 %.
WITHDRAWN
ISO 4946:1984
PUBLISHED
ISO 4946:2016
90.93
Standard confirmed
Aug 16, 2021