C8-QB is a proprietary, densely bonded C8 with special endcapping that is most appropriate for reverse phase methods using TFA or another acidic additives. C8-QB is designed to operate at the lower end of the pH range. Pore size is 100Å.

PrincetonSPHER-100 CN (Cyano) columns are highly reproducible due to our proprietary bonding process. One of the most popular normal phase columns we sell. Pore size is 100Å.

PrincetonSPHER-100 CN RP is our traditional CN specially treated in the bonding process to perform under reverse phase conditions. Compatible with pH 2-8 mobile phases and under 100% aqueous conditions. Pore size is 100Å.

Rugged and well tested Diol phase with excellent reproducibility due to our proprietary bonding process. Pore size is 100Å.

PrincetonSPHER-100 Fluorooctyl is primarily used for separation of fluorinated compounds. Pore size is 100Å.

PrincetonSPHER-100 PFP has novel selectivity for reverse phase applications and often is a strong alternative to traditional Phenyl or alkyl stationary phases. Pore size is 100Å.

Product codes for popular dimensions:

3u - 50x2.1mm - 050021-03306
3u - 75x4.6mm - 075046-03306
3u - 150x4.6mm - 150046-03306
3u - 250x4.6mm - 250046-03306

5u - 50x2.1mm - 050021-03506
5u - ...

PrincetonSPHER-100 Phenyl, our most popular Phenyl, is bonded on ultra high purity spherical silica. With a pore size of 100Å and an average surface area of 325 m2/g, these columns are perfect for method development or as equivalent columns in existing methods. Excellent batch to batch reproducibility and 25 years of bonding experience make this phase a great choice if you are looking for consistency and quality.