HPLC Guard Columns and Cartridges
Waters Corp Guard Cartridge, C18, 125Å, 10 μm, 30 mm x 10 mm
This guard cartridge, part of the column line, utilizes Hybrid Particle Technology for isolation and purification applications. The patented Hybrid Particle Technology is specifically engineered for prep, enabling routine operation at pH 1 to 12.
- Uses patented Hybrid Particle Technology.
- Designed for isolation and purification applications.
- Operates routinely at pH 1 to 12.
- Allows loading up to 60X more onto the column.
- Provides greater capacity, leading to fewer injections for the same amount of pure material.
- Can produce more material with the same number of injections.
- Enables the use of shorter columns in discovery applications, producing material in half the time.
Waters Corp ACQUITY UPLC CSH Phenyl-Hexyl Pre-column, 2.1 mm X 5 mm, 1.7 μm
ACQUITY CSH Phenyl-Hexyl VanGuard Pre-columns are designed for alternative analyte selectivity in method development, protecting UPLC columns from contaminants while enhancing performance.
- Provides alternative analyte selectivity.
- Uses C6 phenyl ligand for polyaromatic compound retention.
- Features robust, low bleed sorbent.
- Direct connection to UPLC column inlet.
- Minimizes extra column volumes and reduces leaks.
- Protects UPLC columns from damaging contaminants.
- Enhances analytical performance.
- Manufactured under cGMP and ISO 9001.
- Extends analytical column lifetime.
- Maintains UPLC, UHPLC, and HPLC separation efficiency.
- Built with premier materials.
Waters Corp Symmetry C18 Sentry Guard Cartridge, 300Å, 5 µm, 3.9 mm X 20 mm, 2/pk
Symmetry columns continues to set the standard for HPLC drug assays, giving you confidence in the long-term compliance of your HPLC methods. No need to compromise on peak shape, selectivity, column-to-column and batch-to-batch reproducibility, or other critical performance characteristics. Available in a variety of particle sizes, chemistries and dimensions.
Waters Corporation VanGuard Pre-column, CSH Fluoro-Phenyl, 1.7 μm, 2.1 mm, 5 mm
This VanGuard pre-column is designed for UPLC/UHPLC applications, offering enhanced selectivity and retention for acidic compounds. It utilizes Charged Surface Hybrid (CSH) particle technology for superior chromatographic performance and extends analytical column life.
- Chemistry: PFP/Fluoro-Phenyl
- Separation mode: Reversed Phase
- Particle substrate: Hybrid
- pH range: 1 to 8
- Maximum pressure: 18,000 psi (1240 Bar)
- Particle size: 1.7 μm
- Pore size: 130 Å
- Inner diameter: 2.1 mm
- Length: 5 mm
- Format: VanGuard Pre-column
- System compatibility: UPLC, UHPLC
- Particle technology: CSH
- Units per package: 3 pk
- Connects directly to analytical column inlet, minimizing extra column volumes and reducing leaks
YMC America, Inc SIL guard 120A 3um 10x3mm
The high-purity silica found in YMC-Pack SIL columns provides virtually complete sample recovery The absence of silica impurities reduces non-specific sample adsorption and the totally porous nature of the silica provides high sample loading The elevated chemical purity of YMC silica results in a particle structure exhibiting high mechanical strength YMC-Pack SIL is suitable for separation of fat-soluble compounds using non-polar mobile phases as well as the separation of positional isomers that are difficult to separate in reversed-phase mode SIL-06 (60 pore size) has greater adsorption properties than SIL (120 pore size) due to its larger surface area and is generally useful for separating natural products with low molecular weight
YMC America, Inc Triart C8 grd 120A 5um 20x3mm
YMC-Triart phases are based on organic/inorganic hybrid particles that combine the high mechanical stability and efficiency of a silica-based packing material with the robust chemical stability of a polymer-based packing material This versatile resin is produced using tightly controlled particle formation technology adapted from micro-reactor technology The resulting uniform particle and pore size distributions as well as the smooth surface greatly contribute to excellent peak shape and separation reproducibility In addition YMC-Triart materials are highly resilient and robust when used at extreme pH elevated temperature and high pressure
Waters Corp VanGuard Cartridge, 300Å, 2.5μm, 3.9 mm X 5 mm
The XBridge Protein BEH C4 VanGuard Cartridge is optimized and QC tested for protein separations. It features a 300Å pore size, trifunctionally bonded BEH particle, offering the widest usable pH range, superior low pH stability, and ultra-low column bleed for various protein-based applications.
- Optimized and QC tested for protein separations.
- Trifunctionally bonded BEH particle.
- Provides the widest usable pH range.
- Superior low pH stability.
- Ultra-low column bleed for various protein-based applications.
- Dimensions: 3.9 mm X 5 mm.
- Particle size: 2.5 μm.
- Maximum temperature: 90°C.
- Maximum pressure: 18000 psi (1240 Bar).
- System compatibility: UPLC, UHPLC.
- Units per package: 3.
YMC America, Inc C8 guard 120A 5um 20x3mm
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
Waters Corp XBridge BEH C18 Prep Guard Cartridge, 130Å, 5 μm, 19 mm × 10 mm
This Prep Guard Cartridge protects preparative columns by capturing particulates and strongly retained compounds. It features a trifunctionally bonded C18 ligand, making it suitable for most HPLC separations. It offers a wide usable pH range (1–12), superior low pH stability, and ultra–low column bleed, making it ideal for a broad range of hydrophobic compounds and high–throughput environments.
- Protects preparative columns by capturing particulates and strongly retained compounds.
- Suitable for an entire range of mobile phase pH (1–12).
- Provides a universal column for most HPLC separations.
- Offers superior low pH stability.
- Ensures ultra–low column bleed.
- Well–suited for a broad range of hydrophobic compounds.
- Designed to withstand high–throughput environments, offering robustness and durability.
Waters Corporation Sentry Guard Cartridge, C8, 3.5 μm, 100 Å, 4.6 mm X 20 mm
SunFire C8 columns are used for general purpose method development at low pH. The C8 ligand is preferred for some assays because it is less hydrophobic and therefore less retentive compared to SunFire C18.
- C8 chemistry
- Reversed phase separation mode
- Silica particle substrate
- pH range of 2 to 8
- Maximum pressure of 6000 psi (415 bar)
- Endcapped
- Low silanol activity
- Spherical particle shape
- 3.5 μm particle size
- 100 Å pore size
- Sentry guard cartridge format
- 340 surface area
- HPLC system compatibility
- L7 USP classification
- 4.6 mm inner diameter
- 20 mm length
- 12% carbon load
- 2 units per package
Waters Corp ACQUITY UPLC VanGuard Pre-column, C18, 1.7 μm, 130 Å, 2.1 mm X 5 mm
The pre-column protects UPLC columns from chemical and particulate contamination, extending their lifetime. It is compatible with pressures up to 15,000 psi when used with a UPLC system. Its ultra-low volume design minimizes extra column volumes and eliminates leaks by connecting directly to the UPLC column.
- Universal column for UPLC separations and method development.
- BEH particle offers wide pH range (pH 1-12) with superior low pH stability.
- Ultra-low column bleed for high sensitivity MS.
- Direct connection to UPLC column minimizes extra column volumes and leaks.
- Protects UPLC column from chemical and particulate contamination.
- Guaranteed compatibility with pressures up to 15,000 psi.
- Ultra-low volume design (2.1 mm ID x 5 mm length).
- Patent-pending design ensures high efficiency, resolution, and throughput.
Waters Corp Waters VanGuard Pre-column, C8, 1.7 μm, 130 Å, 2.1 mm x 5 mm
The ACQUITY BEH C8 VanGuard Pre-column is designed to protect and extend the lifetime of UPLC and UHPLC analytical columns. It effectively removes particulate and chemical contamination while maintaining separation efficiencies, ensuring reliable and cost-effective performance in high-pressure chromatographic applications.
- Less retentive than C18 sorbent, improving peak shape and performance.
- BEH particles provide wide pH range (1 to 12), superior low pH stability, ultra-low column bleed.
- Direct connection to column inlet minimizes extra column volumes and leaks.
- For UPLC and UHPLC, sustains pressures up to 18,000 psi.
- Uses identical packing materials as analytical columns.
- Extends analytical column lifetimes by removing contamination.
- Cost-effective solution for enhancing column longevity.
- PEEK sealing surfaces ensure leak-free connections.
Waters Corporation VanGuard Pre-column, C4, 300Å, 1.7 μm, 2.1 mm X 5 mm
- QC tested and optimized for protein separation based on size, hydrophobicity, and isoelectric point.
- C4 ligand minimizes protein carryover, increases recovery, and improves peak capacity.
- Direct connection to column inlet minimizes extra column volumes and reduces leaking.
- Protects analytical columns from contaminants, prolonging lifetime.
- Enhances analytical performance by filtering chemical and particulate impurities.
- Tolerates pressures up to 18,000 psi (1,240 bar) in UPLC system applications.
- Utilizes BEH Technology C4, 300Å pore, and 1.7μm particles.
- Batch QC tested with peptide map for consistent performance and increased column life.
- Employs same packing material as analytical columns for consistent reversed-phase LC performance.