水流动相GPC标样-聚乙二醇, 高Mw，窄MWD; Aqueous GPC/SEC StandardssPolyethylene Glycol, High Mw, Narrow MWD Polyethylene Gylcol; Mp 2500, Mw 2560, Mn 2375 IV 0.09; IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.57; K = 0.00104)