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
Erbium - Er2O3, 99.99%, 2% HNO3(有证书)
氟酮磺隆
2,2’,3,6,6’-五氯联苯(PCB 96) 标准品
2,4-Dichlorophenyl-3-methyl-4-nitrophenyl ether 标准品
Calibration Standard 1 - EPA Method 200.7
2-tert-Butyl-6-methylphenol
Suprofen
螺虫乙酯烯醇 BePure-25566
MCPB methyl ester Solution 100ug/ml in Acetonitrile
苯甲酸标准品