≥98%(GC)
≥98%
≥95%
≥96%
超干级, ≥99.99% metals basis
99.5%,Al:8.2~8.3%
化学纯(CP), ≥99%
98%
≥97%
≥98%(GC)(T)
97%
95%
99.9% metals basis
99.9%
84%