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 300000, Mw 310000, Mn 293000 IV 0.78; IV* - Intrinsic Viscosity (dL/g) in THF at 30°C (a = 0.69; K = 0.000128