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.

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.

Phenyl-Hexyl is very similar to traditional Phenyl, however this phase incorporates a six carbon link to the surface vs. a three carbon (propyl) link for standard Phenyl. Selectivity and retention are enhanced. Pore size is 100Å.

Strong Anion Exchange for challenging ion exchange separations. Quaternary amine functional groups bonded to silica. Pore size is 100Å.

Strong Cation Exchange for challenging ion exchange separations requiring USP L9 packing. Sulfonic acid groups bonded to silica. Pore size is 100Å.

High purity silica with a wide range of particle sizes available. Pore size is 100Å.

Weak Anion Exchange material based on Diethylaminopropyl groups bonded to silica. Pore size is 100Å.

Weak Cation Exchange material based on carboxylic acid groups bonded to silica. Pore size is 100Å.

Low surface area, low carbon load Amino. Pore size is 300Å.

PrincetonSPHER-300 C18 is a wide pore material suited for protein and peptide separations. This packing is available in both traditional stainless steel hardware and bio-inert column hardware. Pore size is 300Å.

Product codes for popular particle size and dimensions:

3u - 50x2.1mm - 050021-08301
3u - 75x4.6mm - 075046-08301
3u - 150x4.6mm - 150046-08301
3u - 250x4.6mm - 250046-08301<...

PrincetonSPHER-300 C4 is our most popular material for bio separations. This packing is very rugged and available in both traditional stainless steel hardware or bio-inert column hardware. Pore size is 300Å.

PrincetonSPHER-300 C8 is a wide pore material suited for protein and peptide separations. This packing is available in both traditional stainless steel hardware and bio-inert column hardware. Pore size is 300Å.

Low surface area, low carbon load Cyano. Pore size is 300Å.

PrincetonSPHER-300 CN-RP is a wide pore material suited for protein and peptide separations. CN-RP is a traditional CN which is specially treated during the bonding process to promote stability in reverse phase conditions. This packing is available in both traditional stainless steel hardware and bio-inert column hardware. Pore size is 300Å.

Low surface area, low carbon load Diol. Pore size is 300Å.

PrincetonSPHER-300 Phenyl is a wide pore material suited for protein and peptide separations. This packing is available in both traditional stainless steel hardware and bio-inert column hardware. Pore size is 300Å.

Low surface area Silica. Pore size is 300Å.

High surface area densely bonded Amino with enhanced carbon loading vs. 100Å material. Pore size is 60Å. 

High surface area, densely bonded C18 good for polyaromatic hydrocarbon (PAH) analysis and applications with closely related species or positional isomers. Pore size is 60Å.

High surface area densely bonded C4 with enhanced carbon loading vs. 100Å material. Pore size is 60Å.

High surface area densely bonded C6 with enhanced carbon loading vs. 100Å material. Pore size is 60Å.

High surface area densely bonded C8 with enhanced carbon loading vs. 100Å material. Pore size is 60Å.

High surface area densely bonded CN with enhanced carbon loading vs. 100A material. Pore size is 60Å.

High surface area densely bonded CN with enhanced carbon loading vs. 100Å material to perform under reverse phase conditions. Compatible with pH 2-8 mobile phases and under 100% aqueous conditions. Pore size is 60Å.

High surface area densely bonded Diol with enhanced carbon loading vs. 100Å material. Pore size is 60Å.

High surface area densely bonded Diol with enhanced carbon loading vs. 100A material.

High surface area densely bonded Diol with enhanced carbon loading vs. 100Å material. Pore size is 60Å.

High surface area densely bonded Diphenyl with enhanced carbon loading vs. 100A material.

HTS is a C12 phase based on Adamantane, which is a cage-like structure that remains more rigid than traditional long chain alkyl ligands under reverse phase conditions. HTS is well suited for high speed gradient analysis, where fast reequilibration is necessary. HTS also performs well in 100% aqueous environments. Pore size is 60Å.