90.93 Standard confirmed Nov 16, 2023
CEN
CEN/TC 133 Copper and copper alloys
European Norm
77.120.30 Copper and copper alloys
This European Standard specifies an electrolytic method for the determination of the copper content in copper materials with a copper content less than 99,85 % (mass fraction) in the form of unwrought, wrought and cast products.
Silver, if present, is co-deposited and is reported as copper. Approximately one-half of any selenium and tellurium present will co-deposit. Arsenic, antimony, bismuth and tin, if present, also interfere.
PUBLISHED
EN 16117-1:2011
90.93
Standard confirmed
Nov 16, 2023