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
PCB NO.52(介质:异辛烷)
二氧威溶液,100ppm
PCBs7组份-28,52,101,118,138,153,180(溶剂:甲醇)
First Standard® 羟吡酮
十八碳二烯酸甘油三酯(cis-9,12)(C18:2) 标准品
Piperonyl butoxide Solution 100ug/ml in Acetonitrile
Benzo[b]picene
(1S,2R)-(+)-Ephedrine hydrochloride
仲丁威
丙硫菌唑