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有机流动相GPC标样-聚二甲基硅氧烷, 宽MWD; Organic GPC/SEC StandardsPolydimethylsiloxane, Broad MWD Polydimethylsiloxane; , Mw 2400, Mn 1650 IV 0.018; IV* - Intrinsic Viscosity (dL/g) in Toluene at 30°C (a = 0.731; K = 0.0000624)
一溴一氯乙酸 标准品
2,3',4,4'-Tetrachlorobiphenyl
PUNYW26216202 Levo-(-)-Flumequine
Chloranil Solution
除螨酯
恶虫威 BePure-20539
Sulfate from Na2SO4 @ 1000ug/ml in water(有证书)
相思子碱
2,3-二氯苯胺 标准品
2.6-Dibromo-2-naphthol