优等品

一级品

工业级

钴(Co)
Cobalt

≥24.3%

≥24.2%

≥24%

镍(Ni)
Nickel

≤0.001%

≤0.002%

≤0.1%

铁(Fe)
Ferric

≤0.001%

≤0.002%

≤0.005%

铜(Cu)
Copper

≤0.001%

≤0.002%

≤0.01%

锌(Zn)
Zinc

≤0.001%

≤0.002%

≤0.008%

铅(Pb)
Lead

≤0.001%

≤0.002%

≤0.01%