水流动相GPC标样-羟乙基淀粉, 高Mw，支链; Aqueous GPC/SEC StandardssHydroxyethyl Starch, High Mw, Branched, Polysaccharides; Mp 570900, Mw 590000, Mn 310700 IV 0.271; IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Nitrate at 30°C (a = 0.289; K = 0.00637)