全部
>99%
≥99.99% trace metals basis
99.0%(T)
99.5% min
99.9%
99.98%
99.99%
99.999%
99.999% trace metals basis
99%
99+%
ACS reagent, ≥99.5%
AnhydroBeads?, ?10 mesh, 99.999% trace metals basis
anhydrous, free-flowing, Redi-Dri?, ReagentPlus?, ≥99%
puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% (calc. t