HPLC Guard Columns and Cartridges
Sepax Technologies Inc Sepax HPLC Column GP-C4, Guard cartridge with holder, 5 µm, 120 Å, 2 x 10 mm
Monomeric and fully endcapped GP-C4 packing is bonded with butyl groups that lead to moderate hydrophobicity. GP-C4 columns have unique selectivity and peak symmetry with moderate retention for separations of acidic, neutral and basic organic compounds, such as pharmaceuticals, peptides, and organic acids.
Waters Corporation Spherisorb Guard Cartridge, C1, 5 μm, 10 × 4.6 mm
Waters Spherisorb Guard columns provide cost effective column protection for all Waters Spherisorb Analytical Columns.
- Guard column design
- C1 phase
- 5 μm particle size
- 10 × 4.6 mm dimensions
- Pack of 3
- Requires an In-line Guard Cartridge Holder
Waters Corp Waters VanGuard Pre-column, Cyano (CN), 1.8 μm, 100 Å
ACQUITY UPLC HSS CN chemistry is a general-purpose propyl cyano bonded phase designed for ultra-performance liquid chromatography. This VanGuard Pre-column protects the analytical column from damaging contaminants, enhancing performance by filtering impurities and offering superior peak shape for bases, increased retention, and extended column lifetimes at low pH.
- General-purpose propyl cyano bonded phase.
- Designed for UPLC and UHPLC systems.
- Protects analytical columns from chemical and particulate impurities.
- Features 1.8 μm particle size and 100 Å pore size.
- Dimensions: 2.1 mm inner diameter x 5 mm length.
- pH range: 2 to 8.
- Maximum pressure: 18000 psi (1240 Bar).
- Particle substrate: Silica, spherical shape.
- Endfitting type: Direct-Connect.
- Package contains 3 units.
Sepax Technologies Inc Sepax HPLC Column Bio-C18, Guard cartridge with holder, 3 µm, 300 Å, 4 x 10 mm
Wide range of pore sizes and high compatibility with 100% aqueous phases make Bio-C18 columns ideal for high resolution mapping of peptides and separation of natural and synthetic peptides and small proteins. The specially designed surface bonding chemistry and the pore sizes allow for extended retention and selectivity for polar and hydrophilic compounds, such as peptides and amino acids. C18 monolayer formed by special bonding chemistry does not collapse in pure aqueous solution.
Waters Corp IEX-MS Start Up Kit, BioResolve SCX mAb 3 μm, 2.1 x 100 mm Column
This IEX-MS Start Up Kit includes a corrosion–resistant column with polymer-based particles and sulfonic acid ligands for high-resolution, charge-based separations of monoclonal antibodies and other proteins in LC/LC-MS applications. It also provides a humanized mAb mass check standard and pH buffer concentrates.
- Features a corrosion–resistant column for high-resolution separations.
- Provides reproducible, charge-based separations for mAbs and proteins.
- Compatible with LC and LC-MS applications using salt or pH gradient methods.
- Includes a humanized mAb mass check standard.
- Contains IonHance CX-MS pH Buffer Concentrates (pH 5.0 and pH 8.5) in MS certified LDPE containers.
- Designed for 50 analyses; optimized for protein applications.
- Supports UPLC, UHPLC, and HPLC system types with optical and MS detection.
Tosoh Bioscience LLC GUARD TSKGEL ULTRASW AGGREGATE
LC Guard Column, TSKgel UltraSW Aggregate Guard, 3 um
Waters Corp Waters Column, RP/Anion-exchange, 1.7 μm, 2.1 x 100 mm
This column excels at retaining polar acidic analytes in reversed-phase conditions. Its stable reversed-phase/anion-exchange mixed-mode chemistry, effective from pH 2–10, offers unique selectivity compared to traditional C18 phases for method development. The VanGuard FIT Column format is an all-in-one guard-column designed to reduce dead volume and extend column lifetime by filtering impurities.
- Excellent retention for polar acidic analytes under reversed phase conditions.
- Stable reversed phase/anion-exchange mixed mode chemistry from pH 2–10 for method development.
- All-in-one guard-column design reduces dead volume and increases column lifetime.
- Removes chemical impurities and suspended solids, enhancing column reliability.
- Tolerates pressures up to 15000 psi (1030 bar) in UPLC System applications.
Waters Corp ACQUITY UPLC VanGuard Pre-column, Amide, 300Å, 1.7 μm, 2.1 mm × 5 mm
These columns analyze intact glycoproteins, fragments, and glycopeptides. Each batch undergoes quality control with a performance test standard, including Ribonuclease A and B glycoforms, ensuring batch-to-batch consistency. The kit contains one column and a vial of the standard for immediate benchmarking. The standard can be reordered for continuous monitoring, with each batch prepared under strict quality control, confirmed by a certificate of analysis.
- Amide chemistry
- Hydrophilic interaction (HILIC) separation mode
- Hybrid particle substrate
- pH range 2 to 10
- Maximum pressure 18000 psi (1240 bar)
- Not endcapped
- Particle size 1.7 μm
- Pore size 300 Å
- QC tested for glycoprotein
- VanGuard pre-column
- Compatible with UPLC/UHPLC
- BEH particle technology
- Inner diameter 2.1 mm
- Length 5 mm
- 3 units per package
Waters Corporation Guard Cartridge, SCX, 10 × 4.6 mm, 5 μm
These Spherisorb Guard Cartridges are designed for SCX type columns. They are ideal for protecting analytical columns and extending their lifespan in chromatographic applications.
- Guard cartridge for SCX type columns.
- Dimension: 10 × 4.6 mm.
- Particle size: 5 μm.
- Supplied in a pack of three.