全部
>99%
≥99.997% metals basis
99.9% metals basis
99.9%(高纯试剂)
99.997% metals basis
99%
ACS reagent, ≥99.0%
ACS, ≥99%
AR
AR, ≥99%
AR,99%
BioUltra, ≥99.0% (calc. on dry substance, T)
GR, ≥99%
Ph Eur
puriss. p.a., crystallized, ≥99.0% (calc. based on dry substance, T)
试剂级, ≥99.0%
试剂级, ≥99.0%