Choosing Your Velocity Column To order a Velocity column, all you need to know are the column dimensions (length and inner diameter) and the phase you'd like. If you don't see the phase or dimension you require, please contact us regarding custom packing services, at decidedly non-custom prices.

AVAILABLE CHEMISTRIES
Monitor C18 is a top-quality phase, providing excellent stability and reproducibility, and minimal secondary interaction. Monitor is a perfect choice for reversed phase separations requiring thoroughly base-deactivated columns, and excels in challenging pharmaceutical and peptide separations.	Manufacturer: Column Engineering, Inc. Particle Size: 3µm, 5µm Pore Size: 100 Å Carbon Loading: 17.5% Surface Area: 350 m2/gram pH Range: 1 - 9.5 Advantages: -Improved peak shape for basic and acidic compounds -Very reproducible results -Low back pressure for longer column life
Kromasil C18 is a popular material for pharmaceutical/bioscience applications. Kromasil offers excellent chemical and mechanical stability.	Manufacturer: Eka Nobel Particle Size: 3µm, 5µm Pore Size: 100 Å Carbon Loading: 17.5% Surface Area: 300 m2/gram pH Range: 2 - 9.0 Advantages: -Low back pressure -Cost-effective for scale-up -Good peak symmetry for basic compounds
Reliasil is an oligomerically derivatized silica gel. It is preferred by many chromatographers for its chemical stability and effectiveness in the reversed phase separation of peptides, pharmaceuticals and derivatized amino acids.	Manufacturer: Column Engineering, Inc. Particle Size: 3µm, 5µm Pore Size: 100 Å Carbon Loading: 16.0% Surface Area: 200 m2/gram pH Range: 2 - 9.0 Advantages: -Chemical and mechanical stability -Reproducibility -Cost-effective

We also offer custom packing services. View our complete price list here, or contact us to discuss your material requirements.