全部
(99.9%-Si)
99.8%
99.9%
99.99%
99.99% (metals basis)
99.99% 3.5-5 mm
99.99% metals basis,
99.99%(3.5-5 mm 镀膜高纯试剂)
pieces, 3-10 mm, 99.99% trace metals basis
PrimorTrace?, ≥99.99% metals basis, >325目
PrimorTrace?, ≥99.99% metals basis, ≥200目
PrimorTrace?, ≥99.99% metals basis, 镀膜级,3.5-5 mm
PureSpectra?, 光谱纯, ≥99.8% metals basis
镀膜级,99.99% metals ba