HPLC Guard Columns and Cartridges
Bio Rad Laboratories CARTRIDGES REFILL MICRO-GUA
Cartridges, De-Ashing Refill; Bio-Rad; Micro-Guard; For Aminex silver and lead form columns; 30 x 4.6mm; pH range 6-8; Quantity: 2
Optimize Technologies EXPGuard Column Cartridge, 3.0mm x 5mm, HILIC, 3um, 3pk
The EXP™ Guard Column cartridge system is rated to 15,000psi with hand-tight replaceable cartridges. This unique design connects directly to any UHPLC column with the auto-adjusting Titanium Hybrid Ferrule and EXP™ Fittings, providing repeated zero-dead-volume connections and easy adjustability between various column types. Free-Turn™ architecture allows the user to change cartridges by hand without breaking fluid connections on the holder inlet/ outlet. The combination of low-dispersion and ultra high-pressure capabilities provides effective protection with negligible effects on retention time, plate count, and peak shape. Use with EXP™ Direct Connect and In-line Holders.
Waters Corp Sentry Guard Cartridge, C8, 100Å, 5 μm, 3 mm X 20 mm
This Sentry Guard Cartridge is designed to protect main analytical columns, ensuring consistent and reliable chromatographic performance. It features C8 chemistry with a 100Å pore size and 5 μm particle size, ideal for a wide range of applications and compatible with varying pH conditions.
- Delivers excellent peak shape and high mass loading with minimal column bleed.
- Manufactured in an ISO 9000 certified plant; each batch and column individually tested.
- Features a wide operating pH range of 2 to 8.
- Pressure tolerance up to 6,000 psi (400 bar or 40 MPa).
- Recommended operating temperature between 20°C to 50°C at low pH.
- Protects the main column without compromising analytical resolution.
- Replace when backpressure increases or chromatographic performance changes.
Sepax Technologies Inc Sepax HPLC Column Proteomix SCX, NP10, Guard cartridge with holder, 4 x 10 mm
Proteomix ion-exchange phases have been innovatively developed for achieving high ion-exchange capacity, a breakthrough technology for non-porous resins. Proteomix packing support is composed of a rigid, spherical, highly cross-linked poly(styrene divinylbenzene) (PS/DVB) non-porous bead with particle size selections of 1.7, 3, 5 and 10 µm. The PS/DVB resin surface is grafted with a highly hydrophilic, neutral polymer thin layer with the thickness in the range of nanometer. The hydrophobic PS/DVB resin surface is totally covered by a hydrophilic coating that eliminates non-specific bindings with biological analytes, leading to high efficiency and high recovery separations for biological molecules.
Waters Corp CORTECS Premier FIT Column, 2.7 μm, C18+, 2.1 x 100 mm
Waters VanGuard FIT Products are designed to extend the lifetime of analytical columns by removing particulate and chemical contamination from the mobile-phase stream without compromising chromatographic performance. This product allows for the restoration of analytical column performance and backpressure to like-new conditions through a quick and simple change of the VanGuard FIT Cartridge.
- Minimal dispersion: protects the column without sacrificing results.
- No additional tubing: reduces the risk of leaks.
- Consistent connections: ensures consistent results.
- Easy to install: requires just a quarter turn to tighten.
Waters Corp Waters Sentry Guard Cartridge, Atlantis HILIC, Silica, 3 μm, 100 Å
This Sentry Guard Cartridge is designed for HILIC Liquid Chromatography Columns. It extends analytical column life by removing chemical and particulate contamination, suitable for retaining analytes too polar for reverse-phase chromatography.
- Used with high organic mobile phases for retaining analytes too polar for reverse-phase chromatography.
- Offers orthogonal analyte selectivity.
- Extends analytical column life by removing chemical and particulate contamination.
- Ensures optimized performance with compatible HILIC Liquid Chromatography Columns.
- Single unit that attaches directly to the column.
- Manufactured under strict cGMP and ISO 9001 conditions.
- Tested and certified to deliver optimal performance.
- Maintains separation efficiency of UPLC, UHPLC, and HPLC.
Waters Corp XTerra VanGuard Cartridge, Shield RP18, 3.5 μm, 3.9 mm X 5 mm
These VanGuard Cartridges extend analytical column lifetime and performance by removing particulate contamination. They are optimized to protect 3.9 mm and 4.6 mm I.D. analytical columns with 3.5 μm sorbent particles. Constructed from high purity methyl hybrid material, they overcome the hydrolytic instability of silica-based reversed-phase packing materials at high pH.
- Extends analytical column lifetime and performance.
- Protects 3.9 mm and 4.6 mm I.D. analytical columns with 3.5 μm sorbent particles.
- Addresses hydrolytic instability at high pH with organic/inorganic hybrid particle technology.
- Offers mechanical toughness, spherical shape, and high purity.
- Delivers superior peak shape for highly basic compounds.
- Maintains high separation efficiency.
- Manufactured in compliance with ISO 9001 requirements.
- Provides cost-effective column protection.
Waters Corp VanGuard Cartridge, C8, 90 Å Pore, 2.7 μm Particle
CORTECS C8 VanGuard Cartridges are designed to extend the lifetime and performance of analytical columns by filtering out particulate contamination from the mobile phase stream. This specific cartridge is optimized for protecting all 4.6 mm ID CORTECS C8 analytical columns that utilize 2.7 μm sorbent particles.
- C8 chemistry
- Reversed phase separation mode
- Silica particle substrate
- pH range of 2 to 8
- Maximum pressure of 1240 bar (18000 psi)
- Endcapped
- Low silanol activity
- Spherical particle shape
- 2.7 μm particle size
- Parker-style endfitting type
- 90 Å pore size
- 100 surface area
- Compatible with UPLC and UHPLC systems
- Solid core particle technology
- L7 USP classification
- 3.9 mm inner diameter
- 5 mm length
- 4.5 % carbon load
- Features eCord technology
Mac-Mod Avantor Prevail Phenyl, 110 Å, 5 µm, 4.6 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.
Mac-Mod Princeton 2-Ethylpyridine 60 Å, 5 µm, 10 x 10 mm Guard Cartridges (5/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 Prep Guard Cartridge, Shield RP18, 130Å, 5 μm
This guard cartridge protects analytical columns by preventing mobile phase contaminants from entering the workflow. It provides alternate selectivity for phenolic compounds, complementing C18 and C8 phases, and is easily replaceable when worn.
- Installs between the injector and analytical column.
- Utilizes the same packing material as Shield RP18 columns.
- Requires a holder kit for proper installation.
- Particle size: 5 μm.
- Pore size: 130 Å.
- Inner diameter: 19 mm.
- Length: 10 mm.