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(1,5-环辛二烯)(五甲基环戊二烯基)氯化钌(II)
Hibar 30-4,Superspher 100 RP-18e 4 μm定制柱
STIRRER GUIDE WITH COOLING JACKET, PTFE INSERT, CONE ST 29/32, BORE OF TUBE 10,1 MM, SCREW-THREA
LIDS FLAT FLANGE, DN 150, WITH CENTER NECK ST 45/40, 2 ANGLED SIDE NECKS 15° ST 29/32, 1 STRAIGHT PARALLEL SIDE NECK ST 14/23, BOROSILICATE GLASS
苯并[GHI]芘标准品
奥氏分析量管
盐酸土霉素
PHENYL-HYPERSIL-2 10UM 250X4MM COLUMN
化学耗氧量(需氧量)成分分析标准物质(COD Cr铬法)
过硫酸铵 AR,≥98%