全部
(99.997%-K)
>99%
98%
99.0% min
99.0%(T)
99.995% trace metals basis
99.997%
99%
99+%
anhydrous, free-flowing, Redi-Dri?, ACS reagent, ≥99%
anhydrous, powder, 99.99% trace metals basis
BioXtra, ≥99.0%
for analysis EMSURE? ACS,ISO,Reag. Ph Eur
meets analytical specification of Ph. Helv., puriss., anhydrous, granulated, 99-
meets USP testing specifications
reagent grade, ≥98%, powder, ?325 mesh
ReagentPlus?, 99%