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Nacalai Tesque COSMOSIL 140C18-OPN C18 Packing Material, 140 μm, 500g - 37878-45

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COSMOSIL C18-OPN

Open column chromatography is an excellent and easy technique for large scale preparation and purification at low cost. Reversed phase C18 packing materials are used but restricted to about 30-50% water in the mobile phase. The COSMOSIL C18-OPN is a new "Water-Wet" C18 packing material developed for Reversed Phase Open Column Chromatography. The C18-OPN material can be used in 100% aqueous eluents.

C18 packing materials in 100% water Normal C18 materials float on water

The external surface of the C18-OPN gel is coated with hydrophilic groups.

Material Chacteristics

Silica gelTotally porous spherical silica
Average particle size140 μm
Average pore sizeapprox. 120Å
Specific surface areaapprox. 300 m2/g
Stationary phaseOctadecyl group
Carbon content----
ApplicationOpen column chromatography
Flash column chromatography
End capping treatmentNot perfect



  • Model: 37878-45
  • Manufactured by: Nacalai Tesque

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