HPLC Guard Columns and Cartridges
Waters Corp ACQUITY UPLC VanGuard Pre-column, HSS C18, 1.8 μm, 100Å, 2.1 mm × 5 mm
These pre-columns protect and prolong analytical column lifespan without compromising performance. They remove contamination, connecting directly to the column inlet to minimize extra column volumes and reduce leaks.
- Ultra-performance general purpose C18 bonded phase.
- Superior peak shape for bases.
- Increased retention.
- Extended column lifetimes at low pH.
- Scalable and transferable to HPLC separations.
- Direct connection to column inlet.
- Removes particulate and chemical contamination.
- Patented, one-piece design.
- Low dispersion.
- Compatible with various column stationary phases.
- Extends column lifetimes by replacing cartridge.
- Reusable holder with adjustable ferrule.
- Operational temperatures up to 90°C.
- Tolerates pressures up to 18,000 psi (1241 bar or 124 MPa).
- pH range of 1 to 8.
Waters Corp Waters VanGuard Pre-column, 1.8 μm, 100Å, 2.1 mm x 5 mm
Waters VanGuard Pre-column, 1.8 μm, 100Å, 2.1 mm x 5 mm
Waters Corp Waters Spherisorb Guard Cartridge, C1, 5 μm, 80 Å, 4.6 mm ID
Spherisorb C1 columns are classified as USP L13 and are general purpose columns that contain trimethylsilane bonded to silica.
- C1 chemistry
- Reversed phase separation mode
- Silica particle substrate
- pH range of 2 to 8
- Maximum pressure of 6000 psi (415 Bar)
- Spherical particle shape
- 5 μm particle size
- 80 Å pore size
- Guard cartridge format
- Designed for HPLC systems
- 4.6 mm inner diameter
- 30 mm length
- 2% carbon load
- Comes in a package of 3 units
Waters Corp Waters Guard Cartridge, 80Å, 5 μm, 4.6 mm x 10 mm
Spherisorb ODS1 guard cartridges are silica-based, reversed-phase C18 columns. They safeguard HPLC columns against contaminants, enhance separation efficiency, and deliver precise results with 80Å pore size and 5 μm particle size. Proprietary ODS1 chemistry ensures enhanced selectivity for polar compounds.
- Safeguards against contaminants; enhances separation efficiency.
- 80Å pore size and 5 μm particle size.
- Proprietary ODS1 chemistry for enhanced selectivity.
- Protects HPLC columns from solvent impurities, mobile phase additives, and sample matrix components.
- Compatible with diverse HPLC systems.
- 6% carbon load effectively removes organic impurities.
- Easy installation and pre-conditioned for immediate usage.
- Backed by a one-year warranty.
Waters Corp Waters Styragel Guard Column, 20 μm, 4.6 mm X 30 mm, THF
Styragel Guard Columns are designed to protect and extend the lifetime of analytical columns, especially those with 7.8 mm or 4.6 mm ID. They are suitable for high-resolution analysis of oligomers, epoxies, polymer additives, and low molecular weight samples. These guard columns are manufactured under strict ISO, FDA, and cGMP guidelines.
- Protects analytical columns and extends their lifetime.
- Ideal for high-resolution analysis of oligomers, epoxies, and polymer additives.
- Designed for use with low molecular weight samples.
- Manufactured under strict ISO, FDA, and cGMP guidelines for reproducible technology.
- Helps prevent buildup in system operating pressure caused by contamination.
Waters Corp µBondapak C18 Radial-Pak Column, 125Å, 10 µm, 8 mm X 100 mm, 1/pk
µBondapak C18 columns are general purpose, silica-based, reversed-phase C18 columns that are based on 10 µm particle technology. As a starting point for preparative chromatography, no other column can provide the balance between resolution, throughput and cost.
Waters Corp Waters Styragel GPC Guard Column, 20 μm, 4.6 mm, 30 mm, DMF
Styragel Guard columns increase the lifetime of 7.8 mm or 4.6 mm ID columns. This GPC Guard Column protects GPC Columns in reversed-phase Liquid Chromatography by filtering chemical and particulate impurities from the mobile phase stream, enhancing analytical performance.
- Manufactured under cGMP, ISO 9001 conditions, ensuring optimal performance, selectivity, sensitivity, and speed of analysis.
- Testing results meet high standards and narrow specification ranges for excellent, reproducible performance.
- Produced using premier materials, enhancing the GPC columns\' performance and longevity.
- Removes contaminants, maintaining UPLC, UHPLC, and HPLC separation efficiency.
Waters Corp Waters Guard Cartridge, C18, 10 μm, 3.9 mm X 20 mm
- Designed to be used with C18 columns.
- Protects analytical columns from damaging contaminants.
- Enhances and improves column analytical performance.
- Extends the lifetime of analytical columns.
- Maintains UPLC, UHPLC, and HPLC separation efficiency.
- Manufactured under cGMP, ISO 9001 conditions.
- Each unit is tested and certified for use.
- Tolerates pressures up to 6000 psi (415 bar).
- Made using identical packing materials as analytical columns.
- Features BEH Technology C18.
Waters Corp WATERS CORPORATION Sentry Guard Cartridge, C18, 5 μm, 4.6 mm, 20 mm
XSelect CSH C18 columns function as general-purpose columns, offering alternative selectivity compared to other C18 sorbents. The Charged Surface Hybrid (CSH) technology addresses common column-related issues such as peak shape asymmetry, poor loading for basic compounds, column bleed, and slow mobile-phase re-equilibration.
- Chemistry: C18
- Separation mode: Reversed phase
- Particle substrate: Hybrid
- Minimum pH range: 1
- Maximum pH range: 11
- Maximum pressure: 6000 psi (415 bar)
- Endcapped: Yes
- Silanol activity: Low
- Particle shape: Spherical
- Particle size: 5 μm
- Pore size: 130 Å
- Format: Sentry guard cartridge
- Surface area: 185
- System: HPLC
- Particle technology: CSH
- USP classification: L1
- Inner diameter: 4.6 mm
- Length: 20 mm
- Carbon load: 15%
- Units per package: 2 pk
Waters Corp XSelect Prep Guard Cartridge, 130Å, 5 μm, 19 mm × 10 mm
The XSelect CSH Fluoro-Phenyl Prep Guard Cartridge maximizes selectivity differences for method development, especially with low pH mobile phases. Its non-encapped sorbent enhances retention of acidic compounds and protects prep columns from impurities.
- Maximizes selectivity differences for method development, particularly with low pH mobile phases.
- Non-encapped sorbent enhances retention of acidic compounds.
- High-performance guardrail shields prep columns from impurities and contaminants.
- Preserves lab equipment and samples.
- Compatible with Acquity UPLC Systems.
- Advanced 130Å, 5μm sorbent bed for efficient particulate capture.
- Bonded hybrid silica substrate ensures durability and high-performance.
- Extends the lifetime of prep columns.
Waters Corporation VanGuard Pre-column, BEH Amide, 1.7 μm
This VanGuard pre-column utilizes BEH technology with a chemically stable, trifunctionally bonded amide phase, allowing for the retention and separation of extremely polar compounds across a wide pH range (2 to 12). It connects directly to the UPLC column inlet, minimizing extra column volumes and leaks.
- Protects column from contamination.
- Reduces peak tailing and improves resolution.
- Extends analytical column lifetime.
- Retains polar analytes poorly retained by reversed-phase chromatography.
- Facilitates mobile phase use from pH 2–11.
- Increases chemical stability for high pH and temperature applications.
- Prevents Schiff base formation, enhancing quantitation.
- Increases mass spectrometry response, simplifying sample pre-treatment.
- Enables high resolution and high-speed analysis with 1.7 μm particle size.
Waters Corp Waters UPLC Glycan VanGuard Pre-column, BEH Amide, 1.7 μm
The BEH Glycan Separation Technology Column is optimized for UPLC systems with fluorescence detection, separating released glycans from biopharmaceuticals as 2-aminobenzamide derivatives. This VanGuard pre-column directly connects to the analytical column's inlet, minimizing extra column volumes and leaks. It safeguards the analytical column from contaminants, enhancing performance by filtering impurities.
- Chemistry: Amide
- Separation mode: Hydrophilic interaction (HILIC)
- Particle substrate: Hybrid
- pH range: 2 to 11 pH
- Maximum pressure: 18,000 psi (1240 Bar)
- Particle size: 1.7 μm
- Pore size: 130 Å
- Endfitting type: Direct-Connect
- Format: VanGuard Pre-column
- System compatibility: UPLC, UHPLC
- Inner diameter: 2.1 mm
- Length: 5 mm
- Molecular weight range: 1,000 to 150,000
- Manufactured under cGMP, ISO 9001 conditions.
YMC America, Inc Amyl-SA guard 5um 10x2.1mm
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 Cell-SB guard 5um 10x20mm
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 HS C18 grd 120A 5um 10x2.1mm
Hydrosphere C18 is based on highly inert ultra-pure pH neutral silica and is designed to maintain a hydrophilic surface for superior separation of hydrophilic compounds Minimal metal content and very low concentrations of residual silanols make this an ideal phase for the analysis of basic pharmaceuticals and chelating compounds even under LC-MS conditions such as separation in non-phosphate buffered systems In addition the ability to separate polar compounds under highly aqueous mobile phase conditions without loss in retention plate counts and peak performance greatly enhances the versatility of Hydrosphere C18