HPLC Guard Columns and Cartridges
Waters Corp Phenyl Guard Cartridge, 10 μm, 125 Å
This guard cartridge is designed to protect analytical columns from contamination, thereby extending their lifespan and improving chromatographic performance. It removes chemical and particle impurities from the mobile phase stream, ensuring consistent separation efficiency across UPLC, UHPLC, and HPLC systems. Manufactured under rigorous cGMP and ISO 9001 conditions, each unit is thoroughly tested and approved to ensure optimal function and enhanced selectivity, sensitivity, and speed of studies.
- Phenyl chemistry for reversed-phase separation
- Silica particle substrate with 10 μm irregular particles
- Pore size of 125 Å
- Withstands maximum pressure of 6000 psi (415 bar)
- Designed to protect analytical columns from contamination
- Manufactured under strict cGMP and ISO 9001 conditions
Waters Corp Waters Delta-Pak C18 Guard Column, 300Å, 5 μm, 3.9 mm X 20 mm
The Delta-Pak C18 Guard Column features stable, bonded, endcapped spherical silica packing with a 5 μm particle size. Designed for reversed-phase separation in HPLC systems, it supports consistent scale-up for milligram-to-gram purification and is primarily utilized for legacy methods.
- C18 chemistry with spherical silica particles (5 μm).
- 300 Å pore size; low silanol activity; endcapped.
- pH range of 2 to 8; max pressure of 6000 psi (415 Bar).
- Ideal for HPLC systems and legacy method applications.
- Provides consistent scale-up and easy purity checks of fractions.
- Dimensions: 3.9 mm inner diameter, 20 mm length.
- Supplied in a package of 2.
Advanced Materials Technology HALO 90 Å C18, 2.7 µm, 2.1 x 5 mm, Guard Column 3pk
HALO C18 columns made with innovative Fused-Core particle technology for excellent reproducibility and column lifetimes provide fast, high resolution separations. Available in three particle sizes and a wide range of column dimensions, HALO 90 Å C18 columns are optimized for high performance in HPLC, UHPLC, and LCMS small molecule applications.
Waters Corp WATERS CORPORATION Guard Column, BEH, 125 Å, 3.5 μm, 7.8 mm, 30 mm
- Utilizes Ethylene Bridged Hybrid (BEH)-based particle technology and diol-bonded surface coating.
- Designed for separating proteins from 1,000 to 80,000 Daltons.
- Extends column longevity by preventing contaminants.
- Manufactured in a cGMP, ISO 9001-certified facility.
- Packing material undergoes rigorous chromatographic testing for consistent performance.
- Chemistry: SEC, Separation mode: SEC.
- Particle substrate: Hybrid, Particle shape: Spherical.
- Particle size: 3.5 μm, Pore size: 125 Å.
- QC tested: Protein, System: HPLC.
- Format: Guard column, Inner diameter: 7.8 mm, Length: 30 mm.
- Units per package: 1 pk.
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.
YMC America, Inc Cell-C guard 5um 10x30mm
YMC s CHIRAL ART series features polysaccharide-derived chiral stationary phases (CSPs) based on amylose and cellulose tris-carbamate derivatives available in both coated and immobilized formats These columns provide exceptional stereoselectivity durability and solvent versatility supporting normal-phase reversed-phase and supercritical fluid chromatography (SFC) modes
YMC America, Inc C8-HG guard 120A 15um 50x30mm
YMC-Pack C8 columns are prepared using exhaustive bonding of a monomeric octylsilane to totally porous and spherical silica gels The functionalized silica is then treated with an endcapping process which produces a moderate 10% carbon loading on the standard 120 pore material Available in three pore sizes YMC-Pack C8 columns will separate many classes of compounds including pharmaceuticals organic chemicals and biologics