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
RICE FLOUR (amylose, high level) 标准品
氟虫腈-同系物 BePure-25112
PAH MIX WITH CARBAZOLE,1X5ML,2000UG/ML& 标准品
对硫磷溶液标准物质
Silvex Solution in Acetonitrile
没食子酸丙酯溶液,100ppm
Thiram
PCB No. 111,10ng/ul 标准品
2-Ethylhexan-1-ol
39696, Benzo[b]naphtho[1,2-d]thiophene ( purity) 标准品