HPLC Guard Columns and Cartridges
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.
Waters Corp Sep-Pak AC2 Plus Short Cartridge, 400 mg Sorbent, 85 μm, 50/pk
AC2 Plus Short cartridges provide reliable solid phase extraction with low ash activated carbon. They concentrate pesticides and herbicides in water/food samples, enabling efficient processing.
- Low ash activated carbon.
- Concentrates pesticides and herbicides in water/food.
- Used in Japan Pesticide Method #17.
- Short body for easy pump/syringe attachment, positive-pressure flow.
- Compatible with vacuum-assisted devices and automated systems.
- Highly hydrophobic.
- Optimized for 85 μm particle size analytes.
- Removes/enriches polar organic molecules from water.
- Reduces solvent waste and background interference.
- Seamless integration into sample prep protocols.
- Manufactured to cGMP, ISO 9001, and ISO 13485 standards.
- Thoroughly QC tested.
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.
Perkin Elmer US LLC Brownlee Aquapore ODS RP-18 NewGuard Cartridge - 15 mm x 3.2 mm I.D., Pkg. 3
Aquapore ODS RP-18 NewGuard cartridges are based on a spherical silica support suitable for the separation of large biopolymers. These cartridges prolong column life by 2 to 5 times while protecting columns from particulates and strongly bound sample components. Actual bed length of each 15 mm NewGuard is approximately 13 mm. These NewGuard Cartridges require a holder: To couple with a conventional column - NewGuard Holder (07150001) To couple with an MPLC cartridge - Union (07150018) Quantity: Package of 3 Interaction Mode: Reversed Phase USP Code: L1
Waters Corp Waters Guard Cartridge, XTerra MS C18, 7.8 x 10 mm
The XTerra MS C18 Guard Cartridge is a 7.8 x 10 mm guard cartridge (5 μm particle, 125 Å pore size) engineered for Mass Spectrometry. It uses hybrid particle technology for silica efficiency, polymer stability, and an expanded pH range (1–12).
- Hybrid particle combines silica efficiency with polymer stability.
- Offers high mechanical strength, efficiency, and excellent peak shape for bases.
- Wider pH range (1–12) than silica-based particles.
- Engineered for Mass Spectrometry: sharp peaks, good sensitivity, large peak capacities.
- Trifunctional bonding chemistries: long lifetimes, high throughput, resolution, ultra-low bleed.
- Facilitates analytical to preparative chromatography scale-up.
- High pH operation for excellent peak shapes and increased mass loading (up to 60×).
Waters Corp BioSuite Diol (OH) Guard Column, 5 µm, 6 mm X 40 mm, 1/pk
BioSuite SEC Columns are available in 4.6 mm, 7.5 mm, and 7.8 mm i.d. analytical and 21.5 mm i.d. preparative and guard columns.
Waters Corp Torus DEA Prep Guard Cartridge, 130à , 5 µm, 19 mm X 10 mm, 1/pk
Torus DEA Prep Guard Cartridge, 130à , 5 µm, 19 mm X 10 mm, 1/pk
Waters Corp XBridge Premier Protein SEC Column, 250Å, 2.5 μm, 4.6 x 150 mm
XBridge Premier Protein SEC 250Å, 2.5 μm columns provide reliable protein size variant separations (10,000 to 650,000 Daltons). Combining MaxPeak Premier High Performance Surfaces and BEH-PEO Particle technologies, these columns reduce secondary ionic or hydrophobic interactions, minimizing method development.
- Reliable protein size variant separations (10,000 to 650,000 Daltons).
- Utilizes MaxPeak Premier High Performance Surfaces and BEH-PEO Particle technologies.
- Minimizes secondary ionic or hydrophobic interactions.
- Reduces method development with a “generic” or “platform-type” method.
- Includes one vial of mAb size variant standard.
- Includes the MaxPeak Premier Protein SEC 250Å, 2.5 μm, 4.6 x 30 mm guard.
Waters Corp VanGuard Cartridge, C18, 5 μm, 3.9 mm x 5 mm
XTerra MS C18 VanGuard Cartridges extend analytical column lifespan by removing particulate mobile phase contamination. Optimized for 3.9 mm and 4.6 mm I.D. analytical columns with 5 μm sorbent, they install easily. Cartridges shield columns, improve performance by filtering impurities, and maintain UPLC, UHPLC, and HPLC separation efficiency.
- Hybrid particle technology: silica efficiency with polymer stability for wide pH (1–12) operation.
- Ensures excellent peak shapes for bases and high mechanical strength.
- MS compatibility provides sharp peaks, good sensitivity, and ultra-low bleed.
- QC tested with peptide maps for consistent performance and extended column life.
- Sustains high pressures in UPLC system applications; allows easy scale-up.
Waters Corp Waters C18 VanGuard Cartridge, 2.7 μm, 2.1 mm × 5 mm
This VanGuard cartridge extends analytical column lifetime and performance by removing particulate contamination from mobile phase. It is optimized to protect 2.1 mm and 3.0 mm I.D. analytical columns with 2.7 μm sorbent particles. The C18 bonded phase offers excellent efficiency and resolution.
- Extends column lifetime and performance.
- Removes mobile phase contamination.
- Protects 2.1 mm and 3.0 mm I.D. columns (2.7 μm particles).
- Maximizes efficiency.
- Greater throughput and speed.
- C18 bonded phase for balanced retention (low- to mid-range pH).
- Excellent efficiency, resolution, and retention.
- Tolerates pressures up to 18000 psi (1240 Bar).
- Solid core particle technology; eCord enabled.
Advanced Materials Technology HALO 400 Å Diphenyl, 3.4 µm, 2.1 x 150 mm
Ideal for large protein analysis
Well suited for high speed protein separations
Alternate selectivities with C4 and ES-C18
USP: L11
Available Particle Sizes: 3.4 µm
Ligand: diphenylmethyl
USP: L11
Pore Size: 400 Å
Low pH/T Limit: 2/90 ⁰C
High pH/T Limit: 9/40 ⁰C
Endcapped: Yes
