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Chelex® 100 Chelating Resin, analytical grade, 100–200 mesh, sodium form, 500 g

Bio-Rad1422832

500 g, cation exchange resin, sodium form, 1% crosslinkage, 100–200 dry mesh size, 150–300 µm wet bead size, ~3,500 MW limit

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Choose analytical grade Chelex 100 Resin, a weak cation exchange media, for chelation, DNA extraction for PCR, and other cation exchange protocols. Use this sodium-form resin for gravity or low-pressure chromatography.

  • Medium-mesh resin is effective for both preparative and analytical protocols
  • Selectivity for divalent over monovalent ions is approximately 5,000 to 1
  • Strong attraction for transition metals, even in highly concentrated salt solutions
  • Inactivates enzymes, including DNases, that require divalent cations for activity
  • Larger volumes and special packaging are available upon request

*Biotechnology grade resin is certified to contain less than 100 microorganisms per gram; molecular-biology-grade resin is certified to be endo- and exonuclease-free and contain no ligase inhibitors.

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  • Selection of Cation Exchange Resins with different specificities, capacities, operating pressures and flow rates
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Online Resources

  • Introduction to Chromatography
  • PCR (Polymerase Chain Reaction)
  • Introduction to Digital PCR

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