检测项目

检测标准

优等品

高纯级

含量

≥98%

≥99%

铜(Cu)
Copper

≥24.8% 

≥25

镍(Ni)
Nickel

≤0.05%

≤0.0005%

铁(Fe)
Ferric

≤0.05%

≤0.005%

砷(As)
Arsenic

≤0.001%

≤0.0005%

铅(Pb)
Lead

≤0.008%

≤0.005%

锌(Zn)
Zinc

≤0.05%

≤0.002%

氯化物(Cl)
Chloride

≤0.002%

≤0.002%

水不溶物
Water insolubles

≤0.05%

≤0.005%