90.93 Standard confirmed Nov 16, 2023
CEN
CEN/TC 133 Copper and copper alloys
European Norm
77.120.30 Copper and copper alloys
Published
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