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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.

Preparative HPLC columns, Ultra C18

Supplier: Restek

The general-purpose C18 is a conventional monomeric octadecylsilane column suitable for analyses of a wide range of compounds from acidic through slightly basic.

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Superficially porous particle (SPP) columns, Brownlee™ C18

Supplier: PerkinElmer

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

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UHPLC columns, Ultra C18 (USP L1)

UHPLC columns, Ultra C18 (USP L1)

Supplier: Restek

Ultra C18 is a general purpose reversed phase column with retentive and high-purity packing that exhibits excellent peak shape for a wide range of compounds.

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HPLC columns, Viva C18 (USP L1)

HPLC columns, Viva C18 (USP L1)

Supplier: Restek

Viva C18 are monomeric octadecylsilane columns, highly base deactivated wide pore packing that exhibits peak shape for a wide range of compounds from acidic through slightly basic. General purpose column for analyzing large molecules and biomolecules.

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Capillary columns, MXT®-Volatiles (Siltek®-treated stainless steel)

Capillary columns, MXT®-Volatiles (Siltek®-treated stainless steel)

Supplier: Restek

MXT®-Volatiles columns are designed specifically for the analyses of 34 volatile organic pollutants listed in U.S. EPA methods 601, 602, and 624. With these columns, all compounds can be quantified using mass spectrometer or a PID in tandem with an ELCD.

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Capillary columns, Rxi®-Volatiles (fused silica)

Capillary columns, Rxi®-Volatiles (fused silica)

Supplier: Restek

Rtx®-Volatiles columns are designed specifically for the analyses of 34 volatile organic pollutants listed in U.S. EPA methods 601, 602, and 624. With these columns, all compounds can be quantified using mass spectrometer or a PID in tandem with an ELCD.

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Capillary columns, Rtx®-1

Capillary columns, Rtx®-1

Supplier: Restek

General purpose columns for solvent impurities, PCB congeners (e.g. Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulphur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates.

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Columns for Organic Acid Analysis

Supplier: TRANSGENOMIC

Ion exclusion is the preferred method for the separation of weakly ionisable species such as organic acids and alcohols.

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HPLC columns, Viva C4 (USP L26)

HPLC columns, Viva C4 (USP L26)

Supplier: Restek

These columns are based on a wide pore material designed for optimal large-molecule separations. Base-deactivated, wide-pore packing exhibits excellent peak shape for a wide range of compounds. Less retention in reversed phase assays than Viva C18 or Viva C8.

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GC Columns, Rt-bDEXse™ (fused silica)

Supplier: Restek

Separations of more than one hundred chiral compounds have been achieved using our unique DEX columns, and DEX columns continue to demonstrate stability after hundreds of temperature program cycles. By adding β or γ cyclodextrin to our bonded Rtx-1701 stationary phase, we greatly enhance overall utility and column lifetime for our chiral columns, compared to columns that have pure cyclodextrin stationary phases. 2,3-di-O-ethyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added into 14% cyanopropylphenyl/86% dimethyl polysiloxane

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CarboBlack columns (packed)

CarboBlack columns (packed)

Supplier: Restek

Graphitised carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a non silicone liquid phase. CarboBlack C support can hold up to a 1% loading of a non silicone liquid phase.

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HPLC columns, Viva biphenyl (USP L11)

HPLC columns, Viva biphenyl (USP L11)

Supplier: Restek

These biphenyl coulmns have a greater degree of dispersion than conventional phenyls and a greater degree of polarisability than phenyl hexyls, creating higher selectivity and a greater range of usability. With heightened interactions shows substantial increases in retention for dipolar, unsaturated, or conjugated solutes and enhanced orthogonal selectivity when using methanol mobile phases.

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Capillary columns, Rxi®-17Sil MS columns (fused silica)

Capillary columns, Rxi®-17Sil MS columns (fused silica)

Supplier: Restek

These fused silica columns have midpolarity Crossbond® phase manufactured for column to column reproducibility suited for validated methods.

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Capillary columns, Rxi®-20 (fused Silica)

Capillary columns, Rxi®-20 (fused Silica)

Supplier: Restek

Rtx®-20 columns are general purpose columns for volatile compounds, flavour compounds, alcoholic beverages.

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GC Columns, Rxi® Guard/Retention Gap (Fused Silica)

GC Columns, Rxi® Guard/Retention Gap (Fused Silica)

Supplier: Restek

Rxi® guard/retention gap columns are specially designed to be exceptionally inert.

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Guard/retention gap columns, base-deactivated (fused silica)

Supplier: Restek

Recommended for use with Rtx®-5 Amine, Rtx®-35 Amine, Rtx®-Volatile Amine, and Stabilwax®-DB capillary columns.

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Capillary columns, Integra-Guard®

Capillary columns, Integra-Guard®

Supplier: Restek

Integra-Guard® columns are designed for leak-free connection between the guard column and the analytical column. The guard column section is marked separately from the analytical column, using high-temperature string.

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Molecular sieve columns (packed)

Molecular sieve columns (packed)

Supplier: Restek

Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures.

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Guard/retention gap columns, polar-deactivated (fused silica)

Supplier: Restek

Polyethylene glycol deactivation layer provides optimum wettability for polar compounds.

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Capillary columns, Rxi®-1HT columns (fused silica)

Capillary columns, Rxi®-1HT columns (fused silica)

Supplier: Restek

These fused silica columns are processed for high temperature applications such as high molecular weight hydrocarbons.

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Capillary columns, Rtx®-1 F and F (fused silica)

Supplier: Restek

Rtx®-1 F and F columns are tailored to match the selectivity required in the industry, while offering excellent thermal stability.

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Capillary columns, Rxi®-5HT (fused silica)

Capillary columns, Rxi®-5HT (fused silica)

Supplier: Restek

Fused capillary columns for high-temperature applications such as mineral oil extraction and analysis.

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Capillary columns, Rtx®-BAC1 (fused silica)

Supplier: Restek

Application-specific columns for blood alcohol analysis - achieve baseline resolution in less than three minutes.

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Capillary columns, Rtx®-440 (fused silica)

Capillary columns, Rtx®-440 (fused silica)

Supplier: Restek

These general purpose capillary columns with unique selectivity for pesticides, PAHs, or other semivolatiles are ideal for low/trace-level analyses.

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Analytical HPLC columns, Ultra Biphenyl (USP L11)

Analytical HPLC columns, Ultra Biphenyl (USP L11)

Supplier: Restek

These Ultra biphenyl columns are made of high-purity, type-B silica that minimises activity and creates high-density bonding. These columns are designed for selective and reliable HPLC applications.

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HPLC columns, Eurospher I

Supplier: KNAUER

These endcapped Eurospher I columns are used in the determination of water soluble vitamins, steroids, catecholamines, sedatives and many other applications fields.

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PLOT columns, MXT® metal

PLOT columns, MXT® metal

Supplier: Restek

PLOT columns are made from Siltek® treated stainless steel and have the same characteristics and performance as fused silica PLOT columns but useful for GCs and other field applications.

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LC columns, raptor fluoroPhenyl (USP L43)

LC columns, raptor fluoroPhenyl (USP L43)

Supplier: Restek

Raptor fluoroPhenyl columns combine the speed of 2,7 and 5 µm superficially porous particles with the resolution of highly selective USLC technology.

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HPLC columns, Raptor™ Biphenyl (USP L11)

HPLC columns, Raptor™ Biphenyl (USP L11)

Supplier: Restek

Raptor™ Biphenyl column is extremely useful for fast separations in bioanalytical testing applications like drug and metabolite analyses, especially those that require a mass spectrometer (MS).

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HPLC columns, Viva C8 (USP L7)

HPLC columns, Viva C8 (USP L7)

Supplier: Restek

Viva C8 columns are conventional monomeric octylsilane columns offering a shorter alkyl chain to provide less hydrophobic retention and improved basic peak shape over a traditional C18 phase. These general-purpose C8 columns are suitable for a wide range of compounds from acidic through slightly basic.

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