全部
≥95.0% (GC)
≥95%
≥97%
≥98%, deposition grade
≥98%, FG
≥99.0% (GC)
90.0%(GC)
90+%
93.0%(GC)
95.0%
95.0%(GC)
95%
95+%
96.0%(GC)
96%
97.0%(GC)
97.5%
97%
98.0%(GC)
98.0%(GC&T)
98.5%
98%
99.0%(GC)
99.98% trace metals basis
99.999% trace metals basis
99%
absolute, over molecular sieve (H2O ≤0.01%), ≥99.0% (GC)
AldrichCPR
for Grignard reactions, ≥99.0% (GC)
technical grade, 90%