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 240000, Mw 255000, Mn 221700 IV 0.699; IV* - Intrinsic Viscosity (dL/g) in THF at 30°C (a = 0.69; K = 0.000128