水流动相GPC标样-葡聚糖, 超高Mw，支链; Aqueous GPC/SEC StandardssDextran, Ultra High Mw, Branched, Polysaccharides; Mp 2655000, Mw 2800000, Mn 1970000 IV 0.745; IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.267; K = 0.0194)