全部
(99.9%-Bi)
(99.999%-Bi)
(99.9995%-Bi)
5N
99.5%()
99.5+%
99.9%
99.9% metals basis
99.975%
99.99%
99.99% metals basis
99.999%
99.999% metals basis
99.9995%
99%
AR
nanopowder, 90-210 nm particle size, 99.8% trace metals basis
α型, 99.9% metals bas
β型, 99.9% metals bas
纳米粉末, ≥99.8% trace metals basis, 100-500 nm 粒径
试剂级