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乙腈 ACETONITRILE OPTIMA GRADE
SEPARATORY FUNNEL, 250 ML, CYL. UNGRAD., BOROS. GLASS, SOLID ST-STOPCOCK PLUG, BORE 2,5 MM, ST-PE
PP两通,用于13-16mm管径
标样-二硫化碳中8种苯系物混标
瓶塞,硅胶材质,上部直径49 mm,下部直径41 mm,高度40 mm
BELT CLIP SCREW FOR MSA SAMPLING PUMP
HyperSep Cyano 50mg 1mL SPE Column 100个/包装
气相色谱柱,TG-1301MS 30m x 0.32mm x 1μm
2-Octyldodecyl Myristate
电极