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
有机流动相GPC标样-聚苯乙烯, 超高Mw,窄MWD; Organic GPC/SEC StandardsPolystyrene, Ultra High Mw, Narrow MWD Polystyrene ; Mp 3800000, Mw 3864000, Mn 3715000 IV 6.195; IV* - Intrinsic Viscosity (dL/g) in THF at 30°C (a = 0.712; K = 0.000128)
17种有机磷农药混标
First Standard® 甲苯中氟草胺溶液,1000μg/mL
Di-n-heptadecyl ketone (无证书)
Phenol-Mix 19,2000ng/ul 标准品
First Standard® 草铵膦
Tantalum - Ta metal, 99.99%, 2% HNO3+0.5% HF(有证书)
维生素B5(泛酸钙) 标准品(S.G. 级别,有证书)
精喹禾灵-P-乙基
Aroclor 6050 标准品
Aluminum Alloy 6011