规格纯度
全部
[≥98%]
[ACS（99.0-101%）]
[GR,99.5%]
[99.5%,GR]
[≥99%,生物技术级]
[≥99% ,BR]
[工业级]
[医药级, PharmPure]
[ACS, ≥99%]
[GR, ≥99.5%]
[≥99.995% metals basis]
[AR, ≥99%]
[30%，COD≥25万mg/L]
[25%，COD≥20万mg/L]
[20%，COD≥17万mg/L]
[for HPLC，≥99.5%]
[99.9% metals basis]
[99.995% metals basis]
[ACS，99.0-101%]
[99.5%]
[99%]
[99.0%-100.5%]
[HPLC]
[GR]
[AR]
[AR,99%]
[99%用于分析]
[99% 用于分析]
[99% ACS级试剂]
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