You searched for: Chromatography Columns

Supplier: VARIAN

Select Permanent Gases/CO₂ is a set of two parallel columns that combines CP-Molsieve 5 Å for permanent gas analysis and CP-PoraBOND Q for CO₂ analysis.

Supplier: VARIAN

The CP-Select 624 CB is a highly reproducible version of the popular 624 phase and has 2-3 times lower bleed than conventional columns.

Supplier: VARIAN

VF-1301ms ultra-low-bleed thin film columns have a similar selectivity to VF-624ms and are suitable for the analysis of semivolatile organic solvents, as well as PCBs and pesticides.

Supplier: VARIAN

CP-Wax 51 for amines is designed for the analysis of C4-C10 amines, diamines and aromatic amines.

Supplier: VARIAN

Select mineral oil provides the shortest analysis time is required with a stabilized, non-polar bonded phase specifically for fast mineral oil analysis.

Supplier: VARIAN

These specialty solid phase extraction cartridges provide higher retention of small organics, including those that are too polar to retain on C18 or polymeric SPE.

Supplier: VARIAN

Bond Elut™ NH₂ is a weak anion exchanger and is a good choice for retention of very strong anions that may be irreversibly retained on other anion exchange sorbents.

Supplier: VARIAN

Bond Elut™ PCB is a specially designed sorbent which allows for the facile extraction of polychlorinated biphenyl (PCB) compounds from a variety of matrices. Desired analytes can be loaded and eluted using a simple, single solvent method prior to analysis by GC/ECD.

Supplier: VARIAN

Bond Elut™ ENV, a PS/DVB polymer, is designed for the extraction of polar organic residues. It contains 125 μm spherical particles with a high degree of cross linking, advantageous for high volume, fast flow-through applications.

Supplier: VARIAN

Alumina, like silica, is an extremely polar sorbent. The alumina surface tends to be slightly more stable under high pH conditions than unfunctionalised silica. The small particle size of the Bond Elut™ Alumina range ensures high extraction efficiency even when small bed masses are used.

Supplier: VARIAN

Bond Elut™ CH is a mid-polarity sorbent that exhibits unique selectivities for certain analytes. When employed as a non-polar sorbent, CH has the approximate polarity of a C₂ sorbent. Bond Elut™ CH is often a good choice when non-polar sorbents such as C₁₈, C₈ or C₂ do not provide the desired selectivity.

Supplier: VARIAN

Bond Elut™ Diol (2OH) resembles unbonded silica in its tendency for strong hydrogen bonding with analytes. 2OH can also be employed in the non-polar mode because the hydrocarbon spacer on its functional group provides enough non-polar character for retention of hydrophobic analytes. Bond Elut™ Diol is a listed SPE device for the DIN 14333-1 method on benzimidazole fungicides.

Supplier: VARIAN

VF-35ms is a medium polarity column, which is the ideal choice for trace environmental and chemical analyses, and as a confirmation column.

Supplier: VARIAN

CP-PoraPLOT Amines is a unique column specially designed for the high retention analysis of very volatile amines.

Supplier: VARIAN

The CP-Cyclodextrin-β-2,3,6-M-19 column separates many optical isomers that could not be analyzed previously.

Supplier: VARIAN

VF-1ms is a highly inert, non-polar, low bleed GC column providing increased sensitivity over a broad array of applications.

Supplier: PerkinElmer

These superficially porous particle (SPP) columns produce sharper peaks and faster separation results due to their breakthrough particle design and size.

Supplier: VARIAN

CP-Lowox offers a unique solution to the chemical and petrochemical industries. It is now possible to analyze trace level oxygenate impurities in gas and liquid hydrocarbon streams.

Supplier: VARIAN

The CP-Chirasil-Dex CB phase consists of cyclodextrin directly bonded to dimethylpolysiloxane. This bond prevents the cyclodextrin from migrating to different locations in the surface film, delivering homogeneous enantioselectivity throughout the phase.

Supplier: VARIAN

The CP-Si™l line consists of a range of stationary phases which are based on a polysiloxane backbone. Functional groups are added to the polymer to introduce selectivity. Each polymer used for the CP-Sil line is manufactured in-house and is optimised to obtain highest degree of reproducibility.

Supplier: VARIAN

Bond Elut™ Jr cartridges have top and bottom Luer fittings allowing easy sample processing when used in conjunction with standard SPE cartridges. Bond Elut™ LRC cartridges have a large reservoir above the sorbent bed and are suitable for use on any standard SPE vacuum manifold.

Supplier: VARIAN

PBA is a unique sorbent consisting of a phenylboronic acid covalently linked to a silica gel surface. Covalent processes result in a higher retention to the sorbent surface than other mechanisms, resulting in superior clean-up. The boronate group has a high specificity for cis-diol containing compounds such as catechols, nucleic acids, low molecular weight proteins and carbohydrates.

Supplier: VARIAN

Bond Elut™ PRS is a strong cation exchange sorbent that is also relatively high in polarity. With no appreciable degree of hydrophobicity, in non-polar solvents, PRS is capable of polar and hydrogen bonding interactions. Due to the very low pKa of PRS, a high ionic strength eluent must be used, and so the use of PRS is recommended for weaker cationic species such as pyridinium compounds.

Supplier: VARIAN

The water-wettable, hydroxylated exterior allows excellent flow, even with biological fluids. A gradient of polarity on the polymer surface shunts small analytes to the more hydrophobic centre of the polymer bead, where they are retained prior to the washing and elution steps. Plexa provides these performance enhancements due to a unique polymeric architecture with a non-retentive, hydroxylated, amide-free surface and a non-polar PS/DVB core for retaining small molecules.

Supplier: VARIAN

Bond Elut™ Certify II was developed specifically for the rapid and effective extraction of acidic drugs and metabolites from urine and other biological matrices. Certify II is a mixed-mode cartridge packed with non-polar C8 and strong anion exchange (SAX) sorbent. It has been optimised for acidic drugs such as 11-nor-delta-9-tetrahydrocannibinol-carboxylic acid, salicylic acid, ibuprofen, acetaminophen and other compounds that possess both non-polar and anionic characteristics.

Supplier: VARIAN

GC column for pesticides, PCBs and semi-volatile organic compounds.

Supplier: VARIAN

VF-5ms is a highly inert 5% phenyl-methyl column for increased sensitivity, accuracy and instrument uptime.

Supplier: VARIAN

Column type: GC column, CP-Sil 5 CB for Sulfur, Ø int.: 0,32 mm, Length: 30 m, Film thickness: 4,00 µm

Supplier: VARIAN

The CP-Sil 88 column has a very high polarity and a specific selectivity for dioxins and dibenzofuran separations.

Supplier: VARIAN

Bond Elut empty SPE cartridges are made with high purity polypropylene for cleaner extracts.