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
丙虫磷
安西奈德溶液, 1000ppm
First Standard® 磺胺脒
Trichloroethylene, in Certan bottle
氧氟沙星同位素D3
Aldoxycarb
碘苯腈 标准品
GPC标样-聚丙烯酸钠(Mw 1930)(线性,100%水溶粉末) 标准品
Cadmium-Vapor Pressure
Triethyl phosphate Solution 100ug/ml in Hexane