项目 | 指标 | |
优等品 | 一等品 | |
钴（Co）ω/% ≥ | 24.5 | 24 |
镍(Ni)ω/% ≤ | 0.001 | 0.005 |
铜(Cu)ω/% ≤ | 0.001 | 0.005 |
铁(Fe)ω/% ≤ | 0.001 | 0.005 |
锌(Zn)ω/% ≤ | 0.001 | 0.005 |
钙(Ca)ω/% ≤ | 0.005 | 0.050 |
镁(Mg)ω/% ≤ | 0.005 | 0.050 |
铅(Pb)ω/% ≤ | 0.001 | 0.005 |
锰(Mn)ω/% ≤ | 0.001 | 0.005 |
镉(Cd)ω/% ≤ | 0.001 | 0.005 |
铬(Cr)ω/% ≤ | 0.001 | 0.002 |
汞(Hg)ω/% ≤ | 0.0005 | 0.001 |
水不溶物ω/% ≤ | 0.005 | 0.010 |