HPLC Guard Columns and Cartridges
Waters Corp Prep Guard Cartridge, Phenyl, 130Å, 5 μm
This 30x10mm Prep Guard Cartridge protects HPLC and SFC 30 mm ID Prep OBD™ columns. Placed ahead of the prep column, it extends column lifetimes and reduces purification costs. This cartridge supports analytical and preparative HPLC applications, featuring diverse particle sizes.
- Chemistry: Phenyl
- Separation mode: Reversed phase
- Particle substrate: Hybrid
- pH range: 1 to 12
- Temperature limits: 80°C (low pH) / 60°C (high pH)
- Maximum pressure: 6000 psi (415 bar)
- Particle size: 5 μm
- Pore size: 130 Å
- Format: Prep guard cartridge
- Inner diameter: 30 mm
- Length: 10 mm
Waters Corp XTerra Phenyl VanGuard Cartridge, 5 μm, 125 Å
XTerra Phenyl VanGuard Cartridges extend analytical column lifetime and enhance performance by filtering particulate contamination from the mobile phase stream. This cartridge protects 3.9 mm and 4.6 mm I.D. XTerra Phenyl analytical columns utilizing 5 μm sorbent particles.
- Extends analytical column lifetime by filtering particulate contamination.
- Optimized for 3.9 mm and 4.6 mm inner diameter analytical columns with 5 μm sorbent particles.
- Features Phenyl chemistry, reversed phase separation, and a hybrid particle substrate.
- Wide pH operating range of 1 to 12 and maximum pressure of 18000 psi (1240 Bar).
- Endcapped, with low silanol activity, spherical particle shape, and 125 Å pore size.
- Compatible with HPLC systems, classified as USP L11, with 12% carbon load.
- Supplied as 3 units per package.
Waters Corp Waters Guard Column, SEC, 125Å, 2.5 μm, 4.6 mm X 30 mm
This guard column utilizes 2.5 μm Ethylene Bridged Hybrid (BEH) particles with a diol-bonded surface, designed for separating proteins from 1,000 to 80,000 Daltons.
- Particle size: 2.5 μm
- Pore size: 125 Å
- Dimensions: 4.6 mm X 30 mm
- Chemistry: SEC
- Separation mode: Gel Filtration (aqueous)
- Particle substrate: Hybrid
- pH range: 2.5 to 8 pH
- Temperature limits: 60 °C
- Maximum pressure: 5500 psi (379 Bar)
- Bonding technology: Diol (OH)
- Silanol activity: Low
- Molecular weight range: 1,000 to 80,000 Daltons
- Particle shape: Spherical
- Endfitting type: Parker-style
- QC tested: Protein
- Packing solvent: 20% methanol in water
- Surface area: 220
- System: UHPLC, UPLC, HPLC
- USP classification: L20, L33, L59
- Carbon load: 12 %
Waters Corp XBridge Prep Guard Cartridge, 300 Å, 5 μm, 19 x 10 mm
The XBridge Protein BEH C4 Prep Guard Cartridge is optimized for protein separation, leveraging a C4 ligand that is less retentive than traditional C18 phases. This design minimizes protein carryover, enhances protein recovery, and improves peak capacity, making it ideal for protecting columns used in critical applications.
- QC tested and optimized for protein separation based on size, hydrophobicity, and isoelectric point.
- C4 ligand minimizes protein carryover compared to traditional C18 phases.
- Increases protein recovery during separation.
- Improves peak capacity for better analytical results.
Waters Corp Waters Silica C18 Prep Guard Cartridge, 100Å, 7 μm, 19 x 10 mm
Symmetry columns are designed to maintain high standards for HPLC drug assays, ensuring long-term compliance for HPLC methods. They aim to deliver consistent peak shape, selectivity, and reproducibility from column-to-column and batch-to-batch. These columns are available in various particle sizes, chemistries, and dimensions.
- Chemistry: C18
- Separation mode: Reversed phase
- Particle substrate: Silica
- pH range: 2 to 8
- Temperature limits: 45°C
- Max pressure: 6000 psi (415 Bar)
- Endcapped
- Silanol activity: Low
- Particle shape: Spherical
- Particle size: 7 μm
- Pore size: 100 Å
- Format: Prep guard cartridge
- Surface area: 335
- System: HPLC preparative
- Technique: LC/MS, LC
- USP classification: L1
- Inner diameter: 19 mm
- Length: 10 mm
- Carbon load: 19%
- Units per package: 1
Waters Corp VanGuard Cartridge, Symmetry Shield RP8, 100Å, 5 μm, 2.1 mm × 5 mm
This VanGuard Cartridge extends analytical column lifetime and performance by removing particulate and chemical contamination from the mobile phase. It is compatible with 2.1 mm and 3.0 mm I.D. Symmetry Shield RP8 analytical columns utilizing 5 μm sorbent particles.
- Maintains UPLC, UHPLC, and HPLC separation efficiency.
- Provides cost-effective protection for analytical columns.
- Compatible with 2.1 mm and 3.0 mm I.D. analytical columns.
- Features C8 chemistry with 100Å pore size.
- Utilizes 5 μm spherical silica particles.
- Designed for a pH range of 2 to 8.
- Supports HPLC systems with a maximum pressure of 18000 psi (1240 bar).
Waters Corp XTerra MS C18 Sentry Guard Cartridge, 125Å, 3.5 µm, 3 mm X 20 mm, 2/pk
XTerra MS C18 columns are general purpose, hybrid-based, reversed-phase C18 columns that are designed to be compatible with mass spectrometry applications. These first generation columns provide superior pH stability compared to a silica-based column.
