HPLC Guard Columns and Cartridges
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
Optimize Technologies OPTI-GUARD 1mm Guard Column, Silica, (Orange Label), 5pk
OPTI-GUARD™ sets the standard for extremely low impact, easy to use pre-column protection. Designed for use with analytical (4.6, 3.0 mm i.d.) and narrow-bore (2.1, 1.0 mm i.d.) columns, the patented floating stem design automatically adjusts to any manufacturer's tube stop depth for a zero-dead-volume connection every time. The best part? It's no larger than a standard fitting. Connecting the OPTI-GUARD™ requires no extra tubing, maintaining the minimal impact philosophy that has made the OPTI-GUARD™ line so popular. As always, custom packing is available. Key Features include: 5 disposable hand-tight holders and cartridges, a ZDV Connection, automatic adjusting to any manufacturer's column, no extra tubing is required for connection, the product does not effect chromatography, and it is no larger than a standard fitting.
Waters Corp Phenyl Guard Cartridge, 10 μm, 125 Å
This guard cartridge is designed to protect analytical columns from contamination, thereby extending their lifespan and improving chromatographic performance. It removes chemical and particle impurities from the mobile phase stream, ensuring consistent separation efficiency across UPLC, UHPLC, and HPLC systems. Manufactured under rigorous cGMP and ISO 9001 conditions, each unit is thoroughly tested and approved to ensure optimal function and enhanced selectivity, sensitivity, and speed of studies.
- Phenyl chemistry for reversed-phase separation
- Silica particle substrate with 10 μm irregular particles
- Pore size of 125 Å
- Withstands maximum pressure of 6000 psi (415 bar)
- Designed to protect analytical columns from contamination
- Manufactured under strict cGMP and ISO 9001 conditions
Waters Corp Waters Delta-Pak C18 Guard Column, 300Å, 5 μm, 3.9 mm X 20 mm
The Delta-Pak C18 Guard Column features stable, bonded, endcapped spherical silica packing with a 5 μm particle size. Designed for reversed-phase separation in HPLC systems, it supports consistent scale-up for milligram-to-gram purification and is primarily utilized for legacy methods.
- C18 chemistry with spherical silica particles (5 μm).
- 300 Å pore size; low silanol activity; endcapped.
- pH range of 2 to 8; max pressure of 6000 psi (415 Bar).
- Ideal for HPLC systems and legacy method applications.
- Provides consistent scale-up and easy purity checks of fractions.
- Dimensions: 3.9 mm inner diameter, 20 mm length.
- Supplied in a package of 2.
Waters Corp XBridge Protein BEH SEC Guard Column, 200 Å, 2.5 μm
The XBridge Protein BEH SEC, 200 Å Guard Column, containing 2.5μm particles, is based on Ethylene Bridged Hybrid (BEH)-based particle technology and diol-bonded surface coating, similar to HPLC-based SEC columns. These columns are designed for separating proteins ranging from 10,000 to 450,000 Daltons. This product also includes one vial of the BEH200 SEC Protein Std at no additional cost.
- Chemistry: SEC
- Separation mode: Gel filtration (aqueous)
- Particle substrate: Hybrid
- pH range: 2.5 to 8
- Temperature limits: 60 °C
- Maximum pressure: 4500 psi (310 Bar)
- Molecular weight range: 10,000 to 450,000
- Particle size: 2.5 μm
- Pore size: 200 Å
- Inner diameter: 4.6 mm
- Length: 30 mm
- System: UPLC
- Application: Protein
- Units per package: 1 pk
Advanced Materials Technology HALO 90 Å C18, 2.7 µm, 2.1 x 5 mm, Guard Column 3pk
HALO C18 columns made with innovative Fused-Core particle technology for excellent reproducibility and column lifetimes provide fast, high resolution separations. Available in three particle sizes and a wide range of column dimensions, HALO 90 Å C18 columns are optimized for high performance in HPLC, UHPLC, and LCMS small molecule applications.