HPLC & UHPLC Analytical Columns

Raptor ARC-18 LC Columns (USP L1)
- Ideal for high-throughput LC-MS/MS applications with minimal sample preparation.
- Well-balanced retention profile for better detection and integration of large, multiclass analyte lists.
- Sterically protected to endure low-pH mobile phases without sacrificing retention or peak quality.
- Part of Restek’s Raptor LC column line featuring 1.8, 2.7, and 5 µm SPP core-shell silica.

Raptor C18 LC Columns (USP L1)
- A traditional end-capped C18 ideal for general-purpose use in reversed-phase chromatography.
- Wide pH range (2–8) provides excellent data quality for many applications, matrices, and compounds.
- Offers the highest hydrophobic retention of any Raptor phase.
- Part of Restek’s Raptor LC column line featuring 1.8, 2.7, and 5 µm SPP core-shell silica.

Raptor Biphenyl LC Columns (USP L11)
- Ideal for bioanalytical testing applications like drug and metabolite analyses.
- Heightened selectivity and retention for compounds that are hard to resolve or elute early on C18 and other phenyl chemistries.
- Limits ionization suppression and allows simple, MS-friendly mobile phases.
- Part of Restek’s Raptor LC column line featuring 1.8, 2.7, and 5 µm SPP core-shell silica.

Raptor FluoroPhenyl LC Columns (USP L43)
- Capable of both reversed-phase and HILIC separations.
- Ideal for increasing sensitivity and selectivity in LC-MS analyses.
- Offers increased retention for charged bases.
- Part of Restek’s Raptor LC column line featuring 1.8, 2.7, and 5 µm SPP core-shell silica.
- Switch to a Raptor FluoroPhenyl LC column when you need more retention and selectivity for basic and hydrophilic compounds than you can achieve on a C18.

Raptor HILIC-Si LC Columns (USP L3)
- HILIC silica column designed for increased retention of polar compounds without ion-pairing reagents.
- 2.7 µm Raptor core-shell particles provide the speed of SPP, with greater efficiency and capacity than 5 µm particles.
- Ideal for increasing sensitivity and selectivity in LC-MS analyses.
- Fully compatible with both HPLC and UHPLC when using low back-pressure HILIC mobile phases.
- Switch to a Raptor HILIC-Si LC column when you need more retention and resolution of hydrophilic, polar analytes.

Raptor Polar X LC Columns
- Reliably analyze a wide variety of polar analytes (acidic, basic, and neutral) without time-consuming derivatization or complex ion pairing.
- Switch between HILIC and ion-exchange retention modes with simple mobile phase changes and short equilibration times.
- 2.7 μm Raptor core-shell particles provide UHPLC-like speed and efficiency on all makes and models of LC systems.
- Ideal for increasing sensitivity and selectivity in LC-MS analyses.
Storage Conditions: When not in use, Raptor Polar X columns must be kept in 100% acetonitrile. If using a buffered mobile phase, first flush thoroughly with 50:50 water:acetonitrile, then fill with acetonitrile for storage.

Force FluoroPhenyl LC Columns (USP L43)
- Capable of both reversed-phase and HILIC separations.
- Ideal for increasing sensitivity and selectivity in LC-MS analyses.
- Offers increased retention for charged bases.

Force C18 LC Columns (USP L1)
- A traditional end-capped C18 ideal for general-purpose use in reversed-phase chromatography.
- Wide pH range (2–8) provides excellent data quality for many applications, matrices, and compounds.
- Offers high hydrophobic retention.

Force Biphenyl LC Columns (USP L11)
- Ideal for bioanalytical testing applications like drug and metabolite analyses.
- Heightened selectivity and retention for compounds that are hard to resolve or elute early on C18 and other phenyl chemistries.
- Limits ionization suppression and allows simple, MS-friendly mobile phases.
- Restek’s most popular LC stationary phase.

Ultra Biphenyl Columns (USP L11)
Ligand Type: unique Biphenyl
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 15%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB Biphenyl Columns (USP L11)
Ligand Type: unique Biphenyl
Particle: 1.9 µm, 3 µm, or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 8%
End-Cap: yes
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Allure Acrylamide LC Column
- Stable retention times for hundreds of matrix injections.
- Faster equilibration times allow for method optimization and shorter analyses.
- Accurate low ppt-level limits for acrylamide in drinking water.
- Meet or exceed EN 16618:2015 and U.S. FDA procedure requirements for food applications.
- Reliable, long-lasting performance injection to injection and column to column.

PFAS Delay Column
- Traps system-related PFAS, preventing interference and ensuring accurate trace-level analysis of PFAS in samples.
- Universal compatibility; works with
- Any HPLC or UHPLC up to 15,000 psi (1034 bar),
- Both FPP and SPP analytical columns,
- All stationary phases.
- Highly retentive of system-related PFAS; no breakthrough even with extended equilibration times.
- Easy installation with standard fittings.

Roc Silica HPLC Columns (USP L3)
- Conventional HPLC column built to be the cornerstone for your lab; pressure rated for any 400 bar HPLC system.
- Solid and reliable—delivers the peak shape, reproducibility, ruggedness, and performance you demand.
- Exceptional value for routine analyses and large-volume workflows—high-purity, fully porous silica backed by quality manufacturing features a variety of phases to fit most HPLC methods.
- Ideal for a wide range of applications from food to pharma;
5 phases cover 98% of USP methods.

Roc Cyano HPLC Columns (USP L10)
- Conventional HPLC column built to be the cornerstone for your lab; pressure rated for any 400 bar HPLC system.
- Solid and reliable—delivers the peak shape, reproducibility, ruggedness, and performance you demand.
- Exceptional value for routine analyses and large-volume workflows—high-purity, fully porous silica backed by quality manufacturing features a variety of phases to fit most HPLC methods.
- Ideal for a wide range of applications from food to pharma;
5 phases cover 98% of USP methods.

Roc Phenyl-Hexyl HPLC Columns (USP L11)
- Conventional HPLC column built to be the cornerstone for your lab; pressure rated for any 400 bar HPLC system.
- Solid and reliable—delivers the peak shape, reproducibility, ruggedness, and performance you demand.
- Exceptional value for routine analyses and large-volume workflows—high-purity, fully porous silica backed by quality manufacturing features a variety of phases to fit most HPLC methods.
- Ideal for a wide range of applications from food to pharma;
5 phases cover 98% of USP methods.

Roc C18 HPLC Columns (USP L1)
- Conventional HPLC column built to be the cornerstone for your lab; pressure rated for any 400 bar HPLC system.
- Solid and reliable—delivers the peak shape, reproducibility, ruggedness, and performance you demand.
- Exceptional value for routine analyses and large-volume workflows—high-purity, fully porous silica backed by quality manufacturing features a variety of phases to fit most HPLC methods.
- Ideal for a wide range of applications from food to pharma;
5 phases cover 98% of USP methods.

Roc C8 HPLC Columns (USP L7)
- Conventional HPLC column built to be the cornerstone for your lab; pressure rated for any 400 bar HPLC system.
- Solid and reliable—delivers the peak shape, reproducibility, ruggedness, and performance you demand.
- Exceptional value for routine analyses and large-volume workflows—high-purity, fully porous silica backed by quality manufacturing features a variety of phases to fit most HPLC methods.
- Ideal for a wide range of applications from food to pharma;
5 phases cover 98% of USP methods.

Pinnacle DB IBD UHPLC Columns (USP L68)
Ligand Type: proprietary polar functional embedded alkyl
Particle: 1.9 µm, spherical
Pore Size: 140 Å
Carbon Load: proprietary
End-Cap: no
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB PAH UHPLC Columns
Pore Size: 140 Å
Carbon Load: proprietary
End-Cap: no
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB PFP Propyl Columns (USP L43)
Ligand Type: pentafluorophenyl propyl
Particle: 1.9 µm, 3 µm, or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 6%
End-Cap: yes
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva Biphenyl Columns (USP L11)
Ligand Type: Biphenyl
Particle: 5 µm, spherical
Pore Size: 300 Å
Carbon Load: 7%
End-Cap: yes
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva PFP Propyl Columns (USP L43)
Ligand Type: pentafluorophenyl propyl
Particle: 5 µm, spherical
Pore Size: 300 Å
Carbon Load: 5%
End-Cap: yes
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva C4 Columns (USP L26)
Ligand Type: monomeric C4
Particle: 5 µm, spherical
Pore Size: 300 Å
Carbon Load: 3.5%
End-Cap: yes
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva C8 Columns (USP L7)
Ligand Type: monomeric C8
Particle: 5 µm, spherical
Pore Size: 300 Å
Carbon Load: 5%
End-Cap: yes
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva C18 Columns (USP L1)
Ligand Type: monomeric C18
Particle: 3 µm or 5 µm, spherical
Pore Size: 300 Å
Carbon Load: 9%
End-Cap: yes
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Viva Silica Columns (USP L3)
Ligand Type: none
Particle: 5 µm, spherical
Pore Size: 300 Å
Carbon Load: n/a
End-Cap: n/a
Surface Area: 100 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB Silica Columns (USP L3)
Ligand Type: none
Particle: 1.9 µm, 3 µm, or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: n/a
End-Cap: n/a
Surface Area: 150 m2/g
pH Range: 2.5 to 8.0
Maximum Temperature: 80 °C

Pinnacle DB Cyano Columns (USP L10)
Ligand Type: cyanopropylsilane
Particle: 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 4%
End-Cap: yes
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB C8 Columns (USP L7)
Ligand Type: monomeric C8
Particle: 3 µm or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 6%
End-Cap: yes
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle DB C18 Columns (USP L1)
Ligand Type: monomeric C18
Particle: 1.9 µm, 3 µm, or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 11%
End-Cap: yes
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Raptor EtG/EtS LC Column
- Proven performance for accurate, reliable ethyl glucuronide (EtG) and ethyl sulfate (EtS) analysis.
- Strong retention consistently resolves analytes from matrix interferences.
- Long column lifetime ensures consistent performance injection after injection.
- Fast, 4-minute, dilute-and-shoot LC-MS/MS analysis supports high sample throughput.
- Save time and increase certainty with Restek’s definitive EtG/EtS method and quality reference standards.

Ultra Aromax Columns (USP L11)
Ligand Type: proprietary phenyl ligand
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 17%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra PFP Propyl Columns (USP L43)
Ligand Type: pentafluorophenyl propyl
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 11%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Pinnacle II PAH HPLC Columns
Pore Size: 110 Å
Carbon Load: proprietary
End-Cap: no
Surface Area: 180 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Allure AK Columns
Pore Size: 60 Å
Carbon Load: proprietary
End-Cap: yes
Surface Area: 450 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Quat Columns
Pore Size: 100 Å
Carbon Load: proprietary
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Allure Organic Acids Columns
Pore Size: 60 Å
Carbon Load: proprietary
End-Cap: no
Surface Area: 450 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Carbamate Columns
Pore Size: 100 Å
Carbon Load: proprietary
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Silica Columns (USP L3)
Ligand Type: none
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: n/a
End-Cap: n/a
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra IBD Columns (USP L68)
Specialized Columns for Mixed Polar and Nonpolar Compounds.
Stationary Phase Category: polar-embedded alkyl (L68)
Ligand Type: proprietary polar functional embedded alkyl
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 12%
End-Cap: no
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Cyano Columns (USP L10)
Ligand Type: cyanopropylsilane
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 8%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Aqueous C18 Columns (USP L1)
Ligand Type: proprietary polar modified and functionally bonded C18
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 15%
End-Cap: no
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra C18 Columns (USP L1)
Excellent for a wide range of analyses.
Stationary Phase Category: C18, octadecylsilane (L1)
Ligand Type: monomeric C18
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 20%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra C8 Columns (USP L7)
Excellent for a wide range of analyses.
Stationary Phase Category: C8, octylsilane (L7)
Ligand Type: monomeric C8
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 12%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra C4 Columns (USP L26)
Ligand Type: monomeric C4
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 9%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra C1 Columns (USP L13)
Ligand Type: monomeric C1
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 5%
End-Cap: yes
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Ultra Amino Columns (USP L8)
Ligand Type: aminopropylsilane
Particle: 3 µm or 5 µm, spherical
Pore Size: 100 Å
Carbon Load: 2%
End-Cap: no
Surface Area: 300 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C

Allure Silica Columns (USP L3)
Particle: 5 µm, spherical
Pore Size: 60 Å
Carbon Load: n/a
End-cap: n/a
Surface Area: 450 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C
Highly retentive phase for normal phase separations. Very high surface area, Type B silica packing.
Performing MOSH/MOAH analysis? Use cat.# 9160572 below.

Pinnacle DB Aqueous C18 Columns (USP L1)
Ligand Type: proprietary polar modified and functionally bonded C18
Particle: 1.9 µm, 3 µm, or 5 µm, spherical
Pore Size: 140 Å
Carbon Load: 6%
End-Cap: no
Surface Area: 150 m2/g
pH Range: 2.5 to 8
Maximum Temperature: 80 °C