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
甲醇中盐酸罂粟碱溶液 广电计量
VITAMIN B12(CYANOCOBALAMIN)(P) 标准品
2,5-双氯酚
土壤中PCB苯系物
2.2'.3.3'.5.5'.6.6'-Octachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
2-Isovaleryl-1.3-indanedione Solution 100ug/ml in Acetonitrile
FRAXINUS(ASH) STANDARDS KIT
Methylated Chlorinated Herbicides 8150-Solutions
Acyclovir Acetate
First Standard® 乙腈中丙炔噁草酮溶液,1000μg/mL