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Sephadex LH-20

Technical Information

TECHNICAL SPECIFICATIONS
Matrix  Hydroxypropylated, cross-linked dextran  
Bead form  Spherical, porous  
Particle size range (diameter)   
dry  18-111 ¦Ìm  
in methanol  27-163 ¦Ìm  
pH stability  2-13 (working and cleaning)  
Chemical stability  Stable in most aqueous and organic eluent systems. Not stable below pH 2 nor to strong oxidising agents.  
Autoclavable  20 min at 121¡ãC  

TECHNICAL SPECIFICATIONS
Maximum linear flow rate  ~12 cm/min  
Recommended linear flow rate  ~1 cm/min but depends on resolution required  
Operating temperature  4¡ãC to 40¡ãC  
Sample loading volumes   
adsorption mode  determined by desired degree of resolution  
Molecular sizing  ~2% total bed volume  
Partition mode  ~1% total bed volume  
Exclution limit*  peptides ~4 kDa, small organics ~5 kDa  
Shelf-life  5 years  
Recommended storage  Maintain dry at 4¡ãC to 25¡ãC, wet 4¡ãC to +8¡ãC, pH 6-8, with bacteriostat  
* Depends on solvent in which the medium has been equilibrated.
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