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有机流动相GPC标样-聚丙烯, 低Mw; Organic GPC/SEC StandardsPolypropylene, Low Mw Polypropylene; Mp 1160, Mw 1175, Mn 1120 IV 0.028; IV* - Intrinsic Viscosity (dL/g) in THF at 30°C (a = 0.78; K = 0.00014)
脱脂大豆粉中钾、镁、钙、铁、锌、锰、铜、钠成分分析标准物质
75814, Bovine liver (residue of 17 -trenbolone) 标准品
Glutaric acid
吡罗昔康 标准品
First Standard® 久效威亚砜
2,4,6-Trimethylolphenol
Cerium - CeO2,99.99%,2% HNO3(有证书)
Pymetrozin 标准品
First Standard® 甲苯中8种有机氯农药混标溶液,1000μg/mL
4-Amino-6-chloro-1,3-benzenedisulfonyl Dichloride