項(xiàng)目 | 指標(biāo) | |
優(yōu)等品 | 一等品 | |
鈷(Co)ω/% ≥ | 24.5 | 24 |
鎳(Ni)ω/% ≤ | 0.001 | 0.005 |
銅(Cu)ω/% ≤ | 0.001 | 0.005 |
鐵(Fe)ω/% ≤ | 0.001 | 0.005 |
鋅(Zn)ω/% ≤ | 0.001 | 0.005 |
鈣(Ca)ω/% ≤ | 0.005 | 0.050 |
鎂(Mg)ω/% ≤ | 0.005 | 0.050 |
鉛(Pb)ω/% ≤ | 0.001 | 0.005 |
錳(Mn)ω/% ≤ | 0.001 | 0.005 |
鎘(Cd)ω/% ≤ | 0.001 | 0.005 |
鉻(Cr)ω/% ≤ | 0.001 | 0.002 |
汞(Hg)ω/% ≤ | 0.0005 | 0.001 |
水不溶物ω/% ≤ | 0.005 | 0.010 |