全部
≥98%
≥99.997% metals basis
98.0%(T)
98%
99.5%
99.99%
99.99% metals basis
99.997% metals basis
99.999% (trace metal basis)
99.9995+%
99%
99%, 用于合成
99%, 用于合成
PrimorTrace?, ≥99.99% metals basis
purified by redistillation, ≥99.5%
purum, ≥99.0% (GC)
精馏级, ≥99.5%(GC)
适用于合成