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
10%PEG-20M+2%KOH on chromsorb WAW DMCS 80/100mesh ,3米
3-Phenoxy-13C6 benzoic acid (Permethrin metabolite)
3种定制混标 标准品
MTO-DOWEX SBR LC NG, OH FORM, 2.5KG
1,3-二碘苯
Atlantis T3 Column
STIRRERS WITH COLLAPSIBLE PTFE PADDLES, GROUND AND POLISHED SHAFT WITH COUPLING PIVOT 560x10 MM, PADDLE 90 MM, ST 29/32
LiChroCART 125-4,6,LiChrospher 300 WP RP-18 15μm定制柱
订做塑料离心管
7890A气相色谱请洗瓶扩散盖