规格 | 砷(As)纯度 | As-06/99.9999% | As-07/99.99999% |
杂质含量 | B | — | <1 |
Na | <100 | <20 | |
Mg | <50 | <5 | |
Al | <50 | <4 | |
Si | <50 | <10 | |
S | <25 | <10 | |
K | <40 | <10 | |
Ca | <80 | <10 | |
Cr | <40 | <5 | |
Fe | <40 | <5 | |
Ni | <8 | <5 | |
Cu | <8 | 1<8 | |
Zn | <80 | <10 | |
Se | <100 | <30 | |
Ag | <10 | <10 | |
Sb | <200 | <20 | |
Pb | <8 | <5 | |
Bi | <80 | <10 | |
总量 | ≤1000 | ≤100 |