OHpak LB-805 300x8mm Micro Column

The OHpak LB-805 Low-Bleed-SEC column 300x8.0mm, contains a controlled low-bleed polyhydroxymethacrylate gel with a nominal pore size of 7,000 Å. The separation range intended for OHpak LB-805 typically lies at approx. 100,000 to 1,000,000 Da; this allows mainly high-molecular-weight polymers to be examined according to size. The reduced release of soluble polymer components improves coupling with light-scattering, viscometric and other sensitive detectors. The stated molecular weight ranges are nominal, calibration-dependent indicative values.

Features and Benefits

• Hydrophilic methacrylate-based SEC gels
• Very wide molecular weight range
• Low-bleed phases for light-scattering detection
• Aqueous and selected polar organic eluents
• Analytical and preparative formats

Additional Notes

OHpak is based on porous polyhydroxymethacrylate gels with graded or mixed pore distributions. The hydrophilic polymer surface is optimized for aqueous SEC and can also be adapted for use with DMF in many SB and LB phases; exceptions and adaptation procedures depend on the specific product. The LB series features controlled, low column bleeding for MALS and viscosity detectors, while the SB-2000 series allows for higher loadings on a preparative scale.

Legal Information

OHpak is a registered trademark of the manufacturer Resonac Corporation, Tokyo, Japan.