HPLC Guard Columns and Cartridges
Optimize Technologies EXP2 Replacement Stems, 0.68µL, 2.7µm HALO, C18, 3pk
Specialized features, patented technology, precision engineering and state-of-the-art manufacturing make the new EXP2 Stem Trap an unbeatable choice for ultra high-pressure trapping applications. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports. When tightened by hand, the EXP2 Stem Trap seals to 8,700+ psi. Additionally, the product can be wrench tightened to 20,000+ psi (1,400+ bar). The unique packed floating stem installs directly into any 10-32 port and automatically adjusts to provide a perfect ZDV connection. The new EXP2 design incorporates an integral ferrule into the front-end of the holder so there is no separate ferrule to lose! The replacement stems are also low volume/ low-dispersion, intended for many repeat uses and is available with various bed volume and custom packing options. This product is recommended for nano flow applications. For use with EXP™2 Stem Holder Only
Mac-Mod Avantor Prevail CN, 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 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.
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!
Optimize Technologies OPTI-LYNX™ Guard Column Cartridge, 3mm x 15mm, C18
OPTI-LYNX Guard Column Cartridge, 3mm x 15mm, C18
Mac-Mod Princeton HA-Dipyridyl 100 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!
YMC America, Inc YMC Carotenoid grd 5um 10x3mm
YMC Carotenoid is a C30 bonded silica-based reversed phase column that is markedly more hydrophobic than classical C18 phases Even when pure organic eluents are applied many sample solutes are retained The YMC Carotenoid C30 stationary phase provides sufficient phase thickness to enhance interaction with long chain molecules therefore geometric and positional isomers of conjugated double-bonding systems are recognized and resolved It can be used to separate carotenoids in blood samples food products natural product extracts and commercial preparations In addition YMC Carotenoid operates with low aqueous or non-aqueous mobile phases that are desirable in LC/MS and prep fraction recovery
YMC America, Inc Ph guard 120A 5um 20x3mm
Phenyl columns provide unique selectivity when compared to aliphatic straight chain reversed phase materials such as C18 C8 and C4 YMC-Pack Phenyl is a monomerically-bonded phenyl and is fully endcapped Typical applications include aromatic compounds phenols fullerenes sweeteners
YMC America, Inc ODS-AQ guard 200A 3um 10x3mm
YMC-Pack ODS-AQ is a unique reversed-phase material with both a hydrophobic high carbon loading and a relatively hydrophilic surface Because of the hydrophilic surface ODS-AQ can be wetted with polar eluents It provides chromatographers reproducible retention and excellent peak shape in highly aqueous mobile phases including 100% water This is due to the C18 ligands on ODS-AQ actually being lifted from the surface by the action of the eluents penetrating the silica pores Selectivity on YMC-Pack ODS-AQ can be subtly different from that seen on conventional ODS columns Differences in selectivity are most often encountered when analyzing mixtures of relatively polar compounds Typically longer retention and greater resolution are observed with ODS-AQ Available in both 120 and 200 pore sizes YMC-Pack ODS-AQ is well-suited for analysis and purification of peptides and other biomolecules
YMC America, Inc Triart C18 grd 120A 5um 10x3mm
YMC-Triart phases are based on organic/inorganic hybrid particles that combine the high mechanical stability and efficiency of a silica-based packing material with the robust chemical stability of a polymer-based packing material This versatile resin is produced using tightly controlled particle formation technology adapted from micro-reactor technology The resulting uniform particle and pore size distributions as well as the smooth surface greatly contribute to excellent peak shape and separation reproducibility In addition YMC-Triart materials are highly resilient and robust when used at extreme pH elevated temperature and high pressure