有机流动相GPC标样-聚甲基丙烯酸甲酯, 中/高Mw,窄MWD; Organic GPC/SEC StandardsPolymethyl Methacrylate, Medium & High Mw, Narrow MWD Polymethyl Methacrylate ; Mp 480300, Mw 500500, Mn 460000 IV 1.08; IV* - Intrinsic Viscosity (dL/g) in THF at 30°C (a = 0.69; K = 0.000128