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010-64814275
010-64814275
Choose biotechnology 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
Certified to contain less than 100 microorganisms per gram
Larger volumes and special packaging are available upon request
| Resin | Strength | Grade* | Crosslink | Ionic Form | Dry Mesh | Wet Bead Size µm | MW Limit | Catalog Number |
| Chelex 100 | Weak | Analytical | 1% | Sodium | 50–100 | 300–1,180 | ~3,500 | 1422822 |
| Chelex 100 | Weak | Analytical | 1% | Sodium | 100–200 | 150–300 | ~3,500 | 1422832 |
| Chelex 100 | Weak | Biotech | 1% | Sodium | 100–200 | 150–300 | ~3,500 | 1432832 |
| Chelex 100 | Weak | Analytical | 1% | Iron | 100–200 | 150–300 | ~3,500 | 1422825 |
| Chelex 100 | Weak | Analytical | 1% | Sodium | 200–400 | 75–150 | ~3,500 | 1422842 |
| Chelex 100 | Weak | Mol Bio | 1% | Sodium | 200–400 | 75–150 | ~3,500 | 1421253 |
*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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