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You searched for: Chromatography Columns

Chromatography Columns

Chromatography columns separate molecules within mixtures during gas or liquid methods. Filled with stationary phase compositions or resins, the prepacked options reduce the preparing time required. The vertical pieces are able to withstand extreme temperatures and pressure fluctuations experienced when the mobile phase is forced through the medium. Meet preparative and analytical laboratory procedures with the chromatography columns to separate dissimilar moving components based on individual polarity, composition, and size.

Capillary columns, select silanes

Supplier: VARIAN

The Select Silanes column is a stabilized trifluoropropyl-methyl polysiloxane phase optimized for silanes determination. The Select Silanes column has a very thick film, resulting in high capacity and retention for highly volatile silanes.

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GraceResolv™ high-resolution flash cartridges

GraceResolv™ high-resolution flash cartridges

Supplier: Alltech

GraceResolv™ cartridges are packed with a grade of Davisil® silica designed to maximise performance of today's flash instruments.

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Capillary columns, MolSieve 5Å

Capillary columns, MolSieve 5Å

Supplier: Agilent

These MolSieve 5Å columns have wide range of tubing materials including stainless steel, ultimetal and nickel plus hundreds of stationary phases, packings, and supports to suit many specific application.

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HPLC columns, Polaris™ Si-A

Supplier: VARIAN

Polaris™ silica is ideal for the rapid separation of low molecular weight compounds that are soluble in organic solvents.

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Capillary columns, Select Al₂O₃ MAPD

Capillary columns, Select Al₂O₃ MAPD

Supplier: VARIAN

The select Al₂O₃ MAPD is an aluminum oxide PLOT column for the analysis of reactive hydrocarbons and is especially targeted towards the response for methyl acetylene and propadiene (MAPD).

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Capillary columns, HP-chiral β

Capillary columns, HP-chiral β

Supplier: Agilent

Phenyl-based polymer provides low bleed and does not interfere with nitrogen-specific detectors.

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Solid phase extraction cartridges, Bond Elut™ CN-U

Supplier: VARIAN

Bond Elut CN-U is ideally suited for the extraction of polar compounds from a nonpolar matrix, such as hexane or oils. It is suitable for very polar analytes that may be irreversibly retained on SI or Diol (2OH) SPE phases.

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GC columns, J&W HP-50+

Supplier: Agilent

HP-50+ is excellent for confirmational analyses of polar compounds such as chlorinated pesticides, herbicides, and basic drugs.

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Capillary columns, CP-Wax™

Capillary columns, CP-Wax™

Supplier: VARIAN

The CP-Wax™ lines of chemically bonded columns offer a broad range of selectivities for method optimisation. The backbone of this series stationary phases is made of a polyethylene glycol.

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Solid phase extraction cartridges, Bond Elut™ PBA

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.

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Solid phase extraction cartridges, Bond Elut™ PRS

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.

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HPLC columns, ZORBAX®, StableBond SB-C3

HPLC columns, ZORBAX®, StableBond SB-C3

Supplier: Agilent

ZORBAX® 80 Å StableBond columns are made using bulky, patented, unique silanes that sterically protect the siloxane bond. Acid labile endcapping reagents are not used.

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GC columns, J&W DB-Petro

GC columns, J&W DB-Petro

Supplier: Agilent

JW DB-Petro is a 100% dimethylpolysiloxane phase, precision-engineered for the analysis of PONA, PIANO and PNA from petroleum processes.

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Flash cartridges, Mega Bond Elut™

Supplier: VARIAN

Flash cartridges for the purification of organic compounds, and also for scale-up, solid phase extraction.

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High temperature columns, VF-5ht and VF-5ht Ultimetal

High temperature columns, VF-5ht and VF-5ht Ultimetal

Supplier: VARIAN

The VF-5ht improves the analysis of high boiling compounds by exhibiting low bleed, even at high temperatures. Based on ultra-low bleed FactorFour technology, VF-5ht provides unmatched selectivity, sensitivity, and accuracy for the analysis of high-molecular weight compounds.

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GC Columns, J&W CP-Sil 43 CB

Supplier: VARIAN

CP-Sil 43 CB separates aromatic from aliphatic hydrocarbons with moderate polarity for specific selectivity equivalent to OV-255.

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HPLC columns, InfinityLab Poroshell 120 HILIC

HPLC columns, InfinityLab Poroshell 120 HILIC

Supplier: Agilent

InfinityLab Poroshell 120 HILIC chemistries combine innovative particle technology and bonded phases to improve retention and peak shape for polar analytes. This enables quick and efficient separations of challenging, highly charged polar compounds, and achieves superior analytical sensitivity in MS mode using MS-friendly eluents.

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Solid phase extraction cartridges, Bond Elut™ CN-E

Supplier: VARIAN

A medium polarity sorbent with many uses, Bond Elut™ CN-E is ideal for applications in which extremely non-polar compounds would be irreversibly retained on high carbon load sorbents such as C₈ and C₁₈. This endcapped version of the cyano sorbent is best utilised when extracting analytes from an aqueous matrix.

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Solid phase extraction cartridges, Bond Elut™ Plexa

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.

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Solid phase extraction cartridges, Bond Elut™ Florisil

Supplier: VARIAN

Florisil is a magnesia-loaded silica gel, extremely polar in nature and ideal for the isolation of polar compounds from non-polar matrices.

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Solid phase extraction cartridges, Bond Elut™ Certify II

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.

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Solid phase extraction cartridges, Bond Elut™ SPEC

Solid phase extraction cartridges, Bond Elut™ SPEC

Supplier: VARIAN

SPEC SPE solid phase extraction cartridges available in standard straight barrel tube format, offering flexibility in sample size. Use on any standard vacuum manifold such as the Vac Elut 20 or SPS 24.

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Capillary columns, CP-Al₂O₃/Na₂SO₄

Capillary columns, CP-Al₂O₃/Na₂SO₄

Supplier: VARIAN

CP-Al₂O₃/Na₂SO₄ is an aluminum oxide PLOT column that offers high selectivity for separating ppm levels of C₁ to C₅ hydrocarbons in a main stream of C₁ to C₅ hydrocarbons. The Na₂SO₄ deactivation salt provides a polar Al₂O₃ surface, so that unsaturated compounds such as ethylene and acetylene are retained longer. These columns analyse more compounds in a single run than packed columns, while still delivering higher resolution and faster analysis times. When compared to liquid stationary phases, CP-Al₂O₃ provides increased selectivity and allows all C₁ to C₅ hydrocarbon isomers to be separated. CP-Al₂O₃ operates without the need for sub-ambient cooling.

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Solid phase extraction cartridges, EnvirElut™

Supplier: VARIAN

EnvirElut™ sorbents are specially designed for the extraction of a wide range of compounds from aqueous matrices. EnvirElut™ PAH and Pesticides are available in standard SPE straight barrel cartridges, which can be used on conventional vacuum manifolds such as the Vac Elut SPS 24.

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HPLC columns, Poroshell 120 SB-C18

HPLC columns, Poroshell 120 SB-C18

Supplier: Agilent

Poroshell 120 is made with a superficially porous particle that has a solid silica core and a porous outer layer. This particle provides high efficiency at lower pressures and is ideal for fast or high-resolution separations of many types of analytes.

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Solid phase extraction cartridges, Bond Elut™ C1

Solid phase extraction cartridges, Bond Elut™ C1

Supplier: VARIAN

Due to the methyl group and subsequent low carbon load, Bond Elut™ C1 is the least retentive of all alkyl group bonded phases for non-polar compounds. However, due to the extensive end capping of this sorbent to mask polar silanol activity, retention and elution of polar and multi-functional analytes can still be achieved. Typical applications include plasma, urine and aqueous samples.

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HPLC columns, PLRP-S

HPLC columns, PLRP-S

Supplier: VARIAN

The PLRP-S family of products consists of a range of pore sizes and particle sizes, all with identical chemistry and fundamental adsorptive characteristics. The particles are inherently hydrophobic so there is no bonded phase, alkyl ligand required for reversed-phase separations. This gives a highly reproducible material that is free from silanols and heavy metal ions. Within the extensive product range are columns suitable for analytical separations and preparative purifications.

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Solid phase extraction cartridges, Bond Elut™ DEA

Supplier: VARIAN

Bond Elut™ DEA bears some resemblance to Bond Elut™ NH₂ in its properties but with a slightly lower capacity as an anion exchange sorbent. DEA has a moderately non-polar character due to the alkyl side chains on the amino functionality. These groups still afford a medium level of polarity, higher than C₈ but less polar than C₂ or CN-E.

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Solid phase extraction cartridges, Bond Elut™ Plexa PCX

Supplier: VARIAN

Bond Elut™ Plexa PCX uses a polymeric cation exchange resin that combines the outstanding properties of Bond Elut™ Plexa - superior flow characteristics and improved analytical performance - with strong cation exchange functionalities. This mixed-mode SPE sorbent removes neutral and acidic interferences from the matrix, concentrates basic analytes and therefore improves sensitivity in the determination of basic compounds.

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Solid phase extraction cartridges, Bond Elut™ SCX

Supplier: VARIAN

Bond Elut™ SCX is a strong cation exchanger with a very low pKa. Although the pKa is similar to Bond Elut™ PRS, the presence of the benzene ring in the functional group increases the potential for non-polar interactions. This non-polar characteristic becomes particularly important when conducting ion-exchange from aqueous systems, where selectivity towards compounds exhibiting cationic and non-polar character is seen.

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