全部
≥95%
≥98%
≥99.5%
≥99%, contains 50ppm BHT as stabilizer
90% (stabilized with BHT)
98.0%(GC)
98%
98% stabilized 50ppm BHT
99.50%
99.9%
99%
99%,含50ppm BHT 稳定剂
99%,含50ppm BHT 稳定剂
Assay: 99.7%
GC≥99%
PrimorTrace? Ultra, 电子级, ≥99.9999% metals basis
ReagentPlus?, ≥99.5%
电子级, 99.9999% metals
电子级,99.9999%(高纯试剂)