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
氯杀螨
2-溴-4-乙基吡啶
Hibar 100-4,6,LiChrospher 60 Si 10μm定制柱
FOOD PAC METHOD CARD
SUCTION TUBE, WITH NEEDLE VALVE STOPCOCK, CONE ST 19/26
1ul气相微量进样器(尖头),针头7.3cm,OD是0.5mm
4-吡咯烷丁胺
M6 Flangeless Nut 1/16in Tefzel
色谱柱螺帽,带锁定环,手拧式,用于MSD
对甲苯磺酸铁