全部
≥95%
≥99.99% trace metals basis
≥99.998% metals basis
98%
99.0% min
99.9% metals basis
99.9%(高纯试剂)
99.99% metals basis
99.99%(高纯试剂)
99.998% metals basis
99.999%
99.999% trace metals basis
99%
99+%
ACS
AR, ≥99%
AR,99%
PrimorTrace?, ≥99.99% metals basis
试剂级, 99.0%