全部
>95%
>97%
≥97%
≥99.99% trace metals basis
1.0?M in methylene chloride
80.0%(T)
85.0%(T)
87.0%(T)
90%
95.0%(T)
95%
95+%
96.0%(T)
96%
97.0%(GC)
97.0%(T)
97%
97+%
98.0%(GC)
98.0%(GC&T)
98.0%(LC&N)
98.0%(LC&T)
98.0%(T)
98%
99.0%(GC)
99%
Lonza quality, ≥99.5% (w/w)
N/A
ReagentPlus?, 99%
technical grade, 90%