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
2,3,4,6-四氯苯酚 标准品
Internal standard mixture, 100μg/ml in hexane 100μg/ml in hexane each of Naphthalene-d8, Acenaphthen
农残混标M
Vanadium (III) oxide (无证书)
cis-Permethrin Solution 100ug/mL in Acetonitrile
Benzo(a)pyrene Solution 100ug/ml in Toluene
丙酸睾丸素溶液, 100ppm
硫代硫酸钠容量分析用溶液标准物质
4-二氯乙酰溶液, 100ppm
4.4'-Dichlorobenzhydrol