Obelisc N is a column which has very polar characteristics and works well for polar and charged analytes.

• Obelisc N offers both positively and negatively charged groups to interact with positively or negatively charged analytes.
• Multiple separation modes (NP, HILIC, IE).
• In HILIC mode, Obelisc N offers different selectivity form other HILIC or bare silica columns.
• Mass spec, ELSD, preparative and low UV (<220 nm) compatible, low concentration buffers.

Obelisc N columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Obelisc R is a reverse-phase analytical column and can be used in traditional, reversed-phase type applications.

• Due to the presence of ionic groups and a long hydrophobic chain, Obelisc R offers additional retention and tuning that is not available with traditional reversed-phase columns.
• Multiple separation modes (RP, NP, IE).
• Mass spec, ELSD, preparative and low UV (<220 nm) compatible, low concentration buffers.

Obelisc R columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep 100 is a reverse-phase analytical column with embedded acidic ion-pairing groups.

• This is the most versatile column of the entire Primesep family for separation of a broad range of compounds.
• Improves retention of basic compounds by cation-exchange mechanism.
• Separates acids by ion-exclusion mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep 100 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep 200 is a reverse-phase analytical column with embedded weak acidic ion-pairing groups.

• Improves retention of strong basic compounds by cation-exchange mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• Provides an additional interaction with polar molecules offering separation of isomers and structurally-related compounds.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep 200 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep 500 is a reverse-phase analytical column with embedded acidic ion-pairing groups.

• Primesep 500 has an embedded carboxilic acid with a pKa of about 5.
• Improves retention of basic compounds by cation-exchange mechanism at pH > 5.
• Separates acids by ion-exclusion mechanism at a mobile phase pH > 5.
• Retains basic compounds, as any RP column, at pH < 5
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep 500 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep A is a reverse-phase analytical column with embedded strong acidic ion-pairing groups.

• Improves retention of weak basic compounds by cation-exchange mechanism.
• Separates acids by ion-exclusion mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep A columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep AB is a reverse-phase column with embedded acidic and basic ion-pairing groups.

• Improves retention of strong acidic compounds and strong basic compounds by ion-exchange mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep AB columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep AP is a silica-based amino-column with hydrophilic properties.

• Separates acidic compounds by anion-exchange mechanism.
• Separates basic and neutral polar compounds by HILIC mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep AP columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep B2 is a reverse-phase analytical column with embedded basic ion-pairing groups.

• Improves retention of acidic compounds by anion-exchange mechanism.
• Separates bases by ion-exclusion mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 1.5 to 7).

Primesep B2 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep B4 is a reverse-phase (short carbon chain) analytical column with embedded basic ion-pairing groups.

• Improves retention of acidic compounds by anion-exchange mechanism.
• Retains and separates basic and acidic surfactants based on multi-mode mechanism.
• Separates hydrophobic bases by ion-exclusion mechanism.
• Retains hydrophobic neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 2.0 to 4.5).

Primesep B4 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep C is a reverse-phase analytical column with embedded complex-forming groups.

• Improves retention of positively charged compounds by forming a host-guest complex.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep C columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep D is a reverse-phase analytical column with embedded basic ion-pairing groups specifically design for direct plasma analysis.

• Does not retain high-molecular weight plasma components.
• Retains hydrophobic and acidic components.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 1.5 to 4).

Primesep D columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep N is a normal-phase analytical column with embedded acidic groups.

• Primesep N has embedded acidic groups with a pKa of about 5.
• Improves retention of basic compounds by cation-exchange mechanism at pH > 5.
• Separates polar compounds by HILIC mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep N columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 300 A, 100 A

Primesep P is a reverse-phase analytical column with embedded aromatic and acidic ion-pairing groups.

• Improves retention of basic compounds by cation-exchange mechanism.
• Separates aromatic compounds by difference in pi-pi interaction.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep P columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep PB is a reverse-phase analytical column with embedded aromatic and basic ion-pairing groups.

• Improves retention of acidic compounds by anion-exchange mechanism.
• Separates aromatic compounds by difference in pi-pi interaction.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 2.0 to 5).

Primesep S is a normal-phase analytical column with embedded acidic ion-pairing groups

• Most suitable for separation of common sugars and other neutral or very polar molecules.
• Retains and separates amino acids with different buffers at low concentration.
• Separates weak bases by ion-exchange mechanism.
• Separate acids by ion-exclusion mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 2.0 to 7.0).

Primesep S columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep S2 is a silica-based acidic-column with hydrophilic properties.

• Separates basic compounds by cation-exchange mechanism.
• Separates basic and neutral polar compounds by HILIC mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep S2 columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep SB is a reverse-phase analytical column with strong embedded basic ion-pairing groups.

• Improves retention of acidic compounds by anion-exchange mechanism.
• Separates bases by ion-exclusion mechanism.
• Retains neutral compounds by reverse-phase mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible (working pH range from 1.5 to 5).

Primesep SB columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Primesep X is a silica-based basic-column with weak hydrophilic properties.

• Separates acidic compounds by anion-exchange mechanism.
• Separates acidic and neutral polar compounds by HILIC mechanism.
• All mobile phases are LC-MS and preparative chromatography compatible.

Primesep X columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um
Pores: 100 A

Promix AP is a stationary phase for small and medium size peptides under 3 kDa with PI value below 7.0.

• Reverse phase and ion-exchange mechanism of interaction.
• Use acidic mobile phase pH from 2 to 5.5.
• Use ion strength at least 20 mM.
• 100Å and 300Å pore sizes are available.

Promix AP columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 5 um
Pores: 300 A, 100 A

Promix MP is a stationary phase for medium size proteins and peptides from 1 to 10 kDa.

• Broad pI value.
• Reverse phase and ion-exclusion mechanism of interaction.
• Use acidic mobile phase pH from 2 to 5.5.
• Use ion strength at least 1 mM.
• 300Å and 800Å pore sizes are available.

Promix MP columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 5 um
Pores: 800 A, 300 A

Promix SP is a stationary phase for small peptides under 1 kDa with PI value below 6.0.

• Reverse phase and ion-exchange mechanism of interaction.
• Use acidic mobile phase pH from 2 to 5.5.
• Use ion strength at least 20 mM.
• 100Å pore size is available.

Promix SP columns are available in all standard dimensions
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 5 um
Pores: 100 A

SHARC1 columns are available in all standard dimensions 
Column IDs: 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm
Column Lengths: 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm
Particles: 10 um, 5 um, 3 um
Pores: 100 A