Sephadex LH-20
Matrix：Hydroxypropylated, cross-linked dextran
Partical Size Dry：18 μm-111 μm
Particle Size in Methanol Min.：27μm
Particle Size in Methanol Max.：163μm
Sample Loading Volume：Determined by desired degree of resolution [Adsorption Mode], ~2% total bed volume [Molecular Sizing], ~1% total bed volume [Partition Mode]
pH Stability Working Range：2-13
pH Stability Cleaning-in-Place (CIP)：2-13
Pressure/Flow Specification：25-45 cm/h, pressure drop cm H2O/bed height=2, beh height 30 cm, 2.6 cm i.d.
Flow Velocity：< 60 cm/hour
Fractionation [Mr] Globular Proteins：4 × 103 (Exclusion limit will depend on the solvent) – 5 × 103 (Exclusion limit will depend on the solvent)
Exclusion Limit Peptides：4 x 103
Exclusion Limit Small Organics：5 x 103
Storage Conditions：4 to 30°C
Estimated Shelf Life from Manufacture Date：8 years
Chemical Stability：Stable in most aqueous and organic eluent systems.
Avoid Using：Not stable below pH 2 nor to strong oxidising agents
Autoclavable：20 min at 121°C
球蛋白分离范围：100～4000；
粒径：100-200目；
保存条件：4-25℃；
应用：利用分子筛作用，适合用有机溶剂分离嗜脂性分子，可以非常经济地大规模制备各种天然产物；
如：类固醇、萜类、脂类以及小分子多肽等