HPLC Guard Columns and Cartridges
Mac-Mod Avantor Prevail Phenyl, 110 Å, 5 µm, 2.1 x 7.5 mm Guard Cartridges (3/pk)
Avantor Prevail HPLC columns exhibit long column lifetime in both highly aqueous and highly organic mobile phases. Avantor Prevail HPLC columns are silica based except for Prevail Carbohydrate ES. The stability of these phases is such that a single column can be switched between highly aqueous for analysis of highly polar analytes and highly organic for strong retention of hydrophobic analytes. Avantor Prevail HPLC columns are stable from highly organic to highly aqueous. Avantor Prevail HPLC columns are specialty phases for specific applications. Avantor Prevail HPLC columns provide excellent sensitivity with microbore and ELSD applications.
Waters Corp SunFire Prep Guard Cartridge, 100 Å, 5 μm, 19 mm × 10 mm
These columns offer a new era in HPLC column performance and technology. Featuring state-of-the-art reversed-phase C18 and C8 bonded silica, they deliver excellent peak shape, high efficiency, low MS bleed, excellent low pH stability, and high mass loading capability for demanding HPLC applications.
- Delivers excellent peak shape, high efficiency, and low MS bleed.
- Provides excellent low pH stability and high mass loading capability.
- Features Optimum Bed Density (OBD) designed preparative column performance.
- Available with C18, C8, and Normal-Phase Silica chemistries.
- Protects analytical columns, extending their lifetime.
- Offers symmetrical peaks for increased resolution of substances.
- Ensures exceptional resolution, speed, and low back-pressure.
Mac-Mod Princeton 3,5-Dihydroxyphenyl 100 Å, 5 µm, 21.2 x 10 mm Guard Cartridges (1/pk)
Princeton Chromatography Achiral SFC columns are designed and manufactured in the US, well known for innovating novel and robust workhorse phase chemistries, for the analysis of achiral SFC applications. Princeton designs myriad phase chemistries to improve the selectivity and efficiency of SFC analysis. Known for originally innovating the 2-EP phase chemistry, explore what Princeton has to offer. Columns are available from analytical to preparative sizes and are available in a wide range of pore sizes, particle sizes, column ID's and lengths. If you do not see something that you want, please just ask!
Mac-Mod Princeton DPK (Diphenylketone) 60 Å, 5 µm, 30 x 10 mm Guard Cartridges (1/pk)
Princeton Chromatography Achiral SFC columns are designed and manufactured in the US, well known for innovating novel and robust workhorse phase chemistries, for the analysis of achiral SFC applications. Princeton designs myriad phase chemistries to improve the selectivity and efficiency of SFC analysis. Known for originally innovating the 2-EP phase chemistry, explore what Princeton has to offer. Columns are available from analytical to preparative sizes and are available in a wide range of pore sizes, particle sizes, column ID's and lengths. If you do not see something that you want, please just ask!
Waters Corp Waters Column, BEH C8, 1.7 μm, 2.1 x 100 mm, VanGuard FIT
BEH Technology columns are a good universal choice for a wide variety of compounds, offering exceptional peak shape for basic analytes at elevated pH, stability across a wide pH range, and high temperatures. These C8 columns are designed for fast methods development and offer less retention compared to C18 columns.
- Trifunctionally bonded BEH particles provide a wide usable pH range (1 to 12) and superior low pH stability.
- Ultra-low column bleed.
- MaxPeak High Performance Surface hardware technology reduces unwanted analyte/surface interactions.
- Minimizes loss of metal-sensitive analytes, including lipids, organic acids, acidic peptides, and oligonucleotides.
- Integrated VanGuard Fit column design protects the column from contaminants and extends its lifetime.
- Improved sensitivity and peak shapes.
- Reduced column conditioning and passivation times.
Waters Corp Waters Sentry Guard Cartridge, C18, 5 μm, 3 mm × 20 mm
SunFire C18 columns are designed for general purpose method development at low pH. They feature a highly retentive C18 ligand, making them particularly suitable for separating basic compounds. These cartridges are ideally used for purification and impurity profile assays.
- C18 chemistry for diverse applications
- Reversed phase separation mode
- Silica particle substrate
- pH range of 2 to 8
- Maximum pressure of 415 bar (6000 psi)
- Endcapped for enhanced performance
- Low silanol activity
- Spherical particle shape
- Particle size of 5 μm
- Pore size of 100 Å
- Sentry Guard Cartridge format
- Surface area of 340
- HPLC system compatibility
- USP classification L1
- Inner diameter of 3 mm
- Length of 20 mm
- Carbon load of 16%
- Package contains 2 units
YMC America, Inc BUTYL 5UM 200A 20X2.1MM PK/5
BU20S05-02Q1GC: Butyl, 5um, 200A, 20X2.1mm Cartridge, pk/5
Waters Corp XBridge BEH Shield RP18 Sentry Guard Cartridge, 130Å, 5 µm, 3 mm X 20 mm, 2/pk
XBridge BEH Shield RP18 columns complement the XBridge BEH C18 and C8 phases and provide a necessary and powerful tool for HPLC method development. The embedded carbamate group in the bonded phase ligand provides alternate selectivity, especially for phenolic compounds compared to straight chain alkyl columns.
Waters Corp SunFire Sentry Guard Cartridge, C8, 3.5 μm, 3 mm × 20 mm
SunFire C8 Sentry Guard Cartridges are designed for general-purpose method development in low pH conditions. Their C8 ligand provides lower hydrophobicity and reduced retention compared to C18 phases, making them suitable for specific assays.
- Designed for general-purpose method development in low pH conditions.
- Features C8 ligand for lower hydrophobicity and reduced retention.
- Separation mode: Reversed Phase.
- Particle substrate: Silica.
- pH range: 2 to 8.
- Maximum pressure: 6000 psi (415 Bar).
- Endcapped for enhanced performance.
- Low silanol activity.
- Spherical particle shape.
- Particle size: 3.5 μm.
- Pore size: 100 Å.
- Format: Sentry Guard Cartridge.
- System compatibility: HPLC.
- USP classification: L7.
- Inner diameter: 3 mm.
- Length: 20 mm.
- Carbon load: 12%.
- Units per package: 2.
Mac-Mod Evosphere RP18-Amide, 100 Å, 5 µm, 10.0 x 10 mm Monodisperse Fully Porous Particle Guard Cartridge
Evosphere UHPLC and HPLC columns are 100 A Monodispersed Fully Porous Silica-based columns designed to combine the benefits of Fully Porous and Core-Shell particle technology into an improved particle design and morphology that brings cutting-edge loading capacity to ultra-high-resolution particle columns. The Monodispersed Particles provide similar efficiency to Core-Shell products when comparing them directly via particle size matching and significantly increase loadability which allows ultra-high resolution analytical separations to scale to preparative separations for isolation work if needed. The bonded phase chemistries are exciting as well to maximize selectivity with novel C12 bonded phase, 2 multi-modal C18/AR, and C18/PFP bonded phases, an extended and stabilized phenyl funtionality in the Diphenyl bonded phase, a polar endcapped AQUA phase, a Phenyl-Hexyl phase, a propyl PFP phase and the RP18-Amide bonded phases which is great for doing bases at low pH.
Waters Corporation Sentry Guard Cartridge, 130Å, 5 μm, 2.1 x 10 mm
The XBridge BEH C18 sorbent is designed for HPLC method development, offering utility across a wide range of mobile phase pH from 1 to 12. Its trifunctionally bonded C18 ligand ensures universal application for most HPLC separations, providing a broad usable pH range, excellent low pH stability, and minimal column bleed.
- Increases the lifespan of the XBridge BEH C18 Column.
- Limits the entry of contaminating chemicals and suspended particles into the analytical column.
- Made of high-performance packing materials used in analytical columns.
- Specifically designed for situations requiring a higher level of biological fluid filtration and/or temperature control.
Tosoh Bioscience LLC TSKGEL OCTYL-80TS GUARD 3PK
Cartridge, Guard; For 4.6mm I.D. Tosoh TSKgel Octyl-80Ts columns; Media: Silica; 3.2mm I.D. x 1.5cm Length; 3/Pk