HPLC Guard Columns and Cartridges
Waters Corp WATERS CORPORATION Sentry Guard Cartridge, C4, 300 Å, 3.5 μm, 2.1 mm, 10 mm
Symmetry columns primarily support legacy methods, offering long-term compliance for HPLC methods. They provide consistent peak shape, selectivity, and column-to-column and batch-to-batch reproducibility. These cartridges are available in various particle sizes, chemistries, and dimensions.
- C4 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
- Molecular weight range of 1000 to 30000
- Spherical particle shape
- Particle size of 3.5 μm
- Pore size of 300 Å
- Sentry guard cartridge format
- Surface area of 110
- HPLC system compatibility
- USP classification L26
- Inner diameter of 2.1 mm
- Length of 10 mm
- Carbon load of 2.8%
- Application for protein
- Two units per package
Waters Corp MassPREP Phenyl Guard Column, 1000Å, 20 µm, 2.1 mm X 10 mm, 10K - 500K, 2/pk
Waters MassPREP On-Line Desalting Cartridges can effectively desalt proteins prior to LC/MS analyses. Because non-volatile salts (e.g., NaCl) can suppress ionization of intact proteins leading to poor detection sensitivity, it is important to remove or significantly minimize the introduction of these compounds into the mass analyzer. The reversed-phase, phenyl material contained in MassPREP On-Line devices successfully “traps” proteins, allowing the salts to be washed to waste prior to protein elution into the mass spectrometer.
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 Corp Waters Guard Cartridge, Shield RP18, 19 x 10 mm, 5 μm
This guard cartridge incorporates an embedded polar group, delivering excellent peak shape and unique selectivity. It exhibits excellent water wettability, even in 100% aqueous mobile phases.
- Designed with an embedded polar group to deliver the best possible peak shape and unique selectivity.
- Exhibits excellent water wettability, even in 100% aqueous mobile phases.
- Ideal for UV, fluorescence, electrochemical, and RI detectors.
- pH range of 2 to 12.
- Spherical particle shape.
- 125 Å pore size.
- 15.0% carbon load.
- Proprietary end-capping.
- Temperature limits from 20°C to 60°C.
- USP class L1.
- Dimensions: 19 x 10 mm.
- Particle size: 5 μm.
- Requires 19 x 10 mm cartridge holder.
Waters Corp SunFire C18 Sentry Guard Cartridge, 100Å, 3.5 µm, 2.1 mm X 10 mm, 2/pk
SunFire C18 columns are used for general purpose method development at low pH. The C18 ligand is highly retentive, especially for basic compounds and it is ideally suited for purification and impurity profile assays.
Waters Corp Waters XTerra Guard Cartridge, Shield RP8, 5 micron, 7.8 x 10 mm
The XTerra Guard Cartridge is designed for high-performance liquid chromatography applications. This guard cartridge features a Shield RP8 type, a 5 μm particle size, 125 Å pore size, and dimensions of 7.8 x 10 mm.
- Designed for high-performance liquid chromatography applications.
- Features Shield RP8 type.
- Has a 5 μm particle size.
- Includes a 125 Å pore size.
- Measures 7.8 x 10 mm.
- Requires a 7.8 x 10 mm cartridge holder.
Waters Corp Atlantis dC18 Prep Guard Cartridge, 100Å, 5 μm, 19 mm × 10 mm
Waters Atlantis dC18 Prep Guard Cartridge, 100Å, 5 μm, 19 mm × 10 mm
Waters Corp SunFire C18 Sentry Guard Cartridge, 100Å, 5 µm, 4.6 mm X 20 mm, 2/pk
SunFire C18 columns are used for general purpose method development at low pH. The C18 ligand is highly retentive, especially for basic compounds and it is ideally suited for purification and impurity profile assays.
Waters Corporation Prep Guard Cartridge, 125Å, 10 μm, 7.8 x 10 mm
Waters XTERRA Prep MS C18 Guard Cartridge with 125Å pore size and 10 μm particle size. Features hybrid particle technology for high sample loading capacity in isolation and purification applications. Dimensions are 7.8 mm x 10 mm. Operating pH range is 1–12.
- Utilizes Hybrid Particle Technology for isolation and purification applications.
- Engineered for preparative applications.
- Operates at a pH range of 1–12.
- Allows for up to 60 times greater sample loading onto the column.
- Increased capacity leads to fewer injections for the same amount of pure material or more material with the same number of injections.
- Higher capacity allows for the use of shorter columns, producing the same amount of material in half the time for discovery settings.
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.