PrincetonSPHER-100 C18, our most popular C18, 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.

Product codes for popular dimensions:

3u ...

PrincetonSPHER-100 C8, our most popular C8, is bonded on ultra high purity spherical silica. With a pore size of 100A 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.

3u - 50x2.1mm - 050021-03302
3u - 75x4.6...

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 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.

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

PrincetonSPHER ODS is a replacement for Hypersil ODS and Spherisorb ODS

Pirkle type chiral phase based on L-DNB-Leucine. Pore size is 100Å.

Pirkle type chiral phase based on L-DNB-Phenylglycine. Pore size is 100Å.

NovaClone is a replacement for Waters NovaPak

NovaClone is a replacement for Waters NovaPak

NovaClone is a replacement for Waters NovaPak.

PharmaBOND is a direct replacement column for Waters µBondapak applications and others requiring a robust irregular Amino phase. Pore size is 125Å.

PharmaBOND is a direct replacement column for Waters µBondapak applications and others requiring a robust irregular C18 phase. 

Pore size is 125Å.

PharmaBOND is a direct replacement column for Waters µBondapak applications and others requiring a robust irregular CN phase. Pore size is 125Å.

PharmaBOND is a direct replacement column for Waters µBondapak applications and others requiring a robust irregular Phenyl phase. Pore size is 125Å.

PharmaBOND is a direct replacement column for Waters µBondapak applications and others requiring a robust irregular silica phase. PharmaBOND silica is specially treated to remove excess trace metals. Pore size is 125Å.

PrincetonSPHER C30 is designed for separation of carotenoids and closely related species in reverse phase. C30 works well for positional and stereoisomer separation. PrincetonSPHER C30 is extremely reproducible and versatile. Pore size is 200Å.

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

PrincetonSPHER Fluoropropyl is primarily used for separation of fluorinated compounds.

PrincetonSPHER HILIC is a specially developed stationary phase for use in methods requiring HILIC mode of separation.

PrincetonSPHER HILIC-PRO is a novel stationary phase for use in methods requiring HILIC mode of separation. HILIC-PRO offers alternate selectivity to our traditional HILIC material. HILIC-PRO is good for separation of basic compounds, especially those containing nitrogen heterocycles.

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.

PrincetonSPHER ODS is a replacement for Hypersil ODS and Spherisorb ODS

Aminopropyl groups bonded to silica. Pore size is 100Å.

PrincetonSPHER-100 C18-EC is designed for use with electrochemical detection. C18-EC columns are specially treated prior to packing to be completely inert and are bio-compatible. Pore size is 100Å.

C18-QB is a proprietary, densely bonded C18 with special endcapping that is most appropriate for reverse phase methods using TFA or another acidic additives. C18-QB is designed to operate at the lower end of the pH range. Pore size is 100Å.

PrincetonSPHER-100 C4, our most popular C4, 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.

PrincetonSPHER-100 C6 material is excellent for use in existing methods specifying a C6. 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.

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 - ...

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.