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Table 1. General physico-chemical properties and chromatographic performance characteristics of Sephadex LH-20
Matrix£º    Hydroxypropylated, cross-linked dextran
Bead form£º   Spherical, porous
Average particle size :
Dry £º70 ¦Ìm
In methanol£º 103 ¦Ìm
pH stability:
Working 2¨C13
Cleaning 2¨C13
Chemical stability:Stable in most aqueous and organic eluent systems,Not stable below pH 2 nor to strong oxidizing agents
Autoclavable : 20 minutes at 121¡ãC
Maximum linear flow rate: 700 cm/h
Recommended linear flow rate :60 cm/h
Operating temperature: 4¡ãC to 40¡ãC
Sample loading volumes,Adsorption mode Depends on resolution required:
Molecular sizing < 2% total medium volume
Partition mode < 1% total medium volume
Exclusion limit 4000¨C5000 (depends on solvent)
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