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
红大戟
2.4.5-Trichlorobiphenyl (无证书)
三环唑 标准品
内吸磷
Hexaldehyde (DNPH Derivative) Solution 1000ug/ml in Methanol:Acetonitrile (80:20)
氟乐灵纯度标准物质
Cyclohexanone Solution
农药二嗪农溶液标准物质
Benzo(b)fluoranthene Solution 100ug/ml in Toluene
First Standard® 甲苯中苯醚氰菊酯溶液,1000μg/mL