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4-Chloro-2-methylphenol,100ng/ul 标准品
金刚烷胺纯度标准物质
8-425 黑色 BONDED 聚四氟乙烯 瓶盖
ACQUITY UPLC BEH Shield RP18 Method Validation Kit 色谱柱
氟硼酸
LCtech AflaCLEAN 黄曲霉毒素亲和柱-总量(B1、B2、G1、G2)
Filter paper, ?: 150 mm, quantitative, very slow (flat), low ash content Case = 100 pcs.
铜空心阴极灯
DEEP TRAYS, 250x200x60 mm
Niobium, Powder