如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
紫菜中砷、铅、镉成分分析标准物质
HEAD FOR GAS WASHING BOTTLES 250 ML WITH SOCKET ST 45/40 AND SINTERED DISC P2
对异丙基甲苯, 99+%
橡胶锥形垫圈,EPDM,标称规格28mm
无凸缘套箍 桔色ETFE;Flangeless Ferrule 3mm
Overmolded Millex13, 0.20 Nylon, NS, 100PK (PURPLE)
SEPARATORY FUNNELS, CONICAL SHAPE, 1000 ML, DURAN, W. ECONOMY NEEDLE VALVE, BORE 6 MM, W. THREAD
微量移液器Transferpette 数字可调量程,2- 20 μl
丁二酸二钠 AR
3-氟-4-羟基苯硼酸