J.T.Baker® BAKERBOND spe™ Sephadex® G-25, SPE Columns

Toimittaja: Avantor
J.T.Baker® BAKERBOND spe™
7310-07EA 264 EUR
7310-07
J.T.Baker® BAKERBOND spe™ Sephadex® G-25, SPE Columns
Kromatografiakolonnit
BAKERBOND spe™ columns are disposable PP columns pre-packed with high capacity sorbents contained between two 20 µm PE frits.

  • Silica based
  • Extraction of compounds from sample solution volumes ranging from a few hundred µl up to 1 L
  • Processing by vacuum, positive pressure or centrifugation

General applications: Desalting, removal of small molecular weight compounds.

These SPE columns can be used in size exclusion mode.

Sephadex® G-25 is a gel filtration media of cross-linked dextran. It is a hydrophilic packaging material, which swells in water or buffered aqueous solutions. The smaller molecules (<10000 MW) penetrate into the pores of the hydrated carbohydrate polymer, and are significantly retarded as they percolate through the gel. The higher MW compounds are excluded from the gel and eluted through the gel in the void volume.

Dextran gel is often used in molecular weight analysis of biomolecules and molecular weight distribution studies of polymers and natural products. It is the gel of choice in laboratory and micro-preparative work where small sample volumes are used as well as in industrial mode for rapid handling of large sample volumes and high productivity needed.
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