全部
>90%
>94%
>95%
>96%
>97%
>98%
≥ 95.50%
≥93%, technical grade
≥94%
≥95.0%
≥95%
≥97%
≥98%
100%
73%
84%
85%
90%
92%
93.5%
93%
94%
95.0%
95.0%(GC)
95.0%(LC&T)
95.0%(N)
95.0%(T)
95%
95+%
96.0%(T)
96%
97.0%
97.0%(GC)
97.0%(GC&T)
97.0%(LC)
97.0%(LC&T)
97.0%(T)
97.5%
97%
97+%
98.0%(GC)
98.0%(GC&N)
98.0%(GC&T)
98.0%(LC)
98.0%(LC&N)
98.0%(LC&T)
98.0%(N)
98.0%(T)
98.0%(T&LC)
98.5%
98%
98+%
99.0%(GC)
99.0%(LC&T)
99.0%(T)
99%
absolute, over molecular sieve (H2O ≤0.05%), ≥99.0% (GC)
AldrichCPR
tech
technical grade
technical grade, 90%