HPLC Guard Columns and Cartridges
Mac-Mod Avantor Alltima HP C18-Amide, 100 Å, 5 µm, 3.0 x 7.5 mm Guard Cartridges (3/pk)
Avantor Alltima HP columns combines a range of different phase chemistries with high purity silica. Avantor Alltima HP columns product family combines the selectivity and performance needed to overcome the most challenging separation needs. Avantor Alltima HP columns provide low column bleed makes these columns ideal for microbore applications. Avantor Alltima HP columns are made of high purity silica that provide excellent column stability with multiple selectivity options.
Waters Corp Waters Cyano (CN) Guard Cartridge, 80 Å, 5 μm, 4.6 mm X 10 mm
These Cyano (CN) guard cartridges are propyl cyano bonded, general-purpose, reversed-phase columns. They offer excellent column stability, efficiency, and peak symmetry, contributing to high-performance laboratory analysis. Manufactured under stringent conditions, these cartridges adhere to cGMP and ISO 9002 standards, ensuring reliable equipment.
- Propyl cyano bonded for general-purpose, reversed-phase separations.
- Excellent column stability, efficiency, and peak symmetry.
- Significant performance for quality lab analysis.
- Designed for long column longevity and column-to-column repeatability.
- Manufactured in dedicated and strictly controlled chemistry plants.
- Adheres to cGMP and ISO 9002 standards.
- Produced using pure reagents and extensive testing for quality assurance.
Showa Denko America Inc PROTEIN LW-G 6B
Guard column for PROTEIN LW-800 series columns, dimensions: 6.0 mm ID x 50 mm L
Waters Corporation XBridge Premier BEH HILIC VanGuard FIT Column, 2.5 μm, 2.1 mm, 150 mm
These columns feature unbonded BEH (Bridged Ethyl Hybrid) particles for retaining and separating highly polar compounds. Optimized for efficient, reproducible separations across a broad pH range, their chemical stability provides greater robustness than silica-based HILIC phases, extending column lifetimes. MaxPeak High Performance Surface hardware minimizes analyte/surface interactions, preventing poor peak shape and signal loss. The VanGuard Fit design also protects against contaminants, increasing lifespan.
- Designed for retaining and separating very polar compounds.
- Optimized for efficient, reproducible separations across a wide pH range.
- BEH particle's chemical stability results in long column lifetimes.
- MaxPeak High Performance Surface hardware reduces unwanted analyte/surface interactions.
- VanGuard Fit column design protects from contaminants and increases column lifetime.
Tosoh Bioscience LLC TSKGEL AMIDE-80 GUARD COLUMN
Column, Guard; For 21.5mm I.D. Tosoh TSKgel Amide-80 column; Media: Silica; 21.5mm I.D. x 7.5cm Length
Sepax Technologies Inc Sepax HPLC Column HPLC Guard Column, SRT-C SEC-2000, 5 µm, 4.6 x 50 mm, Light Scattering SEC
SRT-C SEC phase, developed based on innovative surface coating technology, comprises of uniform, hydrophilic, and neutral nanometer thick film chemically bonded to high purity and mechanically stabilized silica. SRT-C, uses lay-down monolayer on porous silica as oppose to SRT of stand-up monolayer, offers ideal phase chemistry for hydrophobic samples like insulin, membrane protein monoclonal antibodies derivatized with polymer branches (polypeptide or PEG) separation.
DSI LLC GUARD COLUMN INSERT STAINLESS
ZirChrom-WCX. Weak Cation-exchange. 300 Angstrom. Useful for protein chromatography in the cation-exchange mode. Stable over a pH range of 1-10.
Waters Corporation Shodex Guard Column, 7 μm, 6 mm x 50 mm, Polymer
This guard column primarily supports legacy methods for sugar analysis. It is a high-performance polymeric column designed for use in HPLC systems.
- Particle size: 7 μm
- Dimensions: 6 mm internal diameter, 50 mm length
- Particle substrate: Polymer
- pH range: 2 to 12
- Maximum pressure: 6000 psi (415 Bar)
- Particle shape: Spherical
- Endfitting type: Parker-style
- Packing solvent: Water
- USP classification: L19
- Designed for sugar analysis
Waters Corp DeltaPak C18 Radial-Pak Guard, 100Å, 15 µm, 25 mm X 10 mm, 2/pk
Delta-Pak packings, ideal for the separation of peptides, proteins, and natural products, are based on a highly stable, bonded, endcapped 5µm or 15µm spherical silica. Delta-Pak is available in two different pore sizes (100Å and 300Å) with either C4 or C18 bonded phase. Delta-Pak packings are available in different cartridge and column configurations, providing consistent and predictable scale-up capabilities for milligram-to-gram scale purification. Also, by having the same chemistry available on a high-efficiency 5µm particle, you can easily check the purity of your fractions.
Waters Corp Waters Guard, C18, 15 μm, 100 Å, 40 mm x 10 mm
Delta-Pak packings separate peptides, proteins, and natural products, using stable, bonded, endcapped spherical silica. Available in C4 or C18 bonded phases and 100Å or 300Å pore sizes, these configurations allow consistent, predictable scale-up purification from milligram to gram scales, with 5μm particles enabling easy purity checks.
- Designed for the separation of peptides, proteins, and natural products
- Features C18 chemistry for reversed phase separation
- Particle size: 15 μm
- Pore size: 100 Å
- pH range: 2 to 8
- Max temperature: 45 °C
- Max pressure: 1500 psi (100 Bar)
- Endcapped with low silanol activity
- Molecular weight range: 1000 to 15000
- Format: Radial-Pak Guard
- Dimensions: 40 mm inner diameter x 10 mm length
- Units per package: 2
Waters Corp Nova-Pak Guard, C18, 6 μm, 60 Å, 25 mm x 10 mm
Nova-Pak HR C18 columns are silica-based, semi-preparative and preparative columns that utilize 6 μm particle technology. These columns offer higher resolution, more efficient separations, and faster chromatography.
- C18 chemistry for reversed phase separation.
- Silica particle substrate with spherical particle shape.
- Particle size of 6 μm and pore size of 60 Å.
- pH range of 2 to 8 pH.
- Maximum pressure of 6000 psi (415 Bar).
- Endcapped for improved performance.
- Medium silanol activity.
- Radial-Pak guard format.
- Designed for HPLC systems.
- Suitable for peptide applications.
- Inner diameter of 25 mm and length of 10 mm.
- Units per package: 2 pk.
Mac-Mod Fortis SpeedCore AQUA, 80 A, 2.6 um, 2.1 x 50 mm Core Shell Column
Fortis SpeedCore Core-Shell columns are the very latest in Core-Shell technology. Incorporating optimized bonding density and unique stringent packing processes, the new 80 A Core-Shell columns provide the chromatographer with the ability to speed up analysis and increase resolution over traditional fully porous 3 and 5 micron materials. Fortis SpeedCore is available in a wide range of bonded phase chemistries including C18, C18 pH+, C18-PFP, C8, Diphenyl, RP18-Amide, AQUA, and PFP bonded phases and 2.6 and 5 um particle sizes. Fortis SpeedCore columns are available in analytical formats.
Sepax Technologies Inc Sepax HPLC Column GP-C18, Guard cartridge with holder, 5 µm, 120 Å, 4 x 10 mm
GP-C18 uses full coverage bonded silica packing, which provides exceptionally high stability. The unique mono-functional bonding chemistry of GP-C18 avoids the formation of multiple C18 layers. Such uniform stationary phase allows the separation to achieve high selectivity and high efficiency.