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HYPERSIL GOLD 12UM 250X30MM PREP COLUMN
乙酰乙酰-2,4-二甲基苯胺
MAGNETIC STIRRING BARS, PTFE, CYLINDRICAL WITH RING, O.D.4,5 MM, LENGTH 12 MM
MA1 糖柱保护柱
CONICAL TEST TUBES PS, 16x100 mm (1.000 pcs)
超低碳硫
奶粉中氯霉素成分分析标准物质
Process Chemistry, PTFE Plug, Compression Fitting, Metric,To fit Bore Size 12
Hibar 250-10,LiChrosorb RP-18 5μm定制柱
Ascentis® Express C18 HPLC 色谱柱