696 Results for: "Capillary Columns"

Supplier: Restek

These micropacked columns are highly efficient and provide good sample capacity. The unsurpassed inertness of SilcoSmooth tubing is based on Siltek deactivation, which allows the column to be flexed and coiled without any fear of chipping or cracking the inert surface.

Supplier: Restek

These ShinCarbon ST columns are made of SilcoSmooth stainless steel material. Analyses oxygen, nitrogen, methane, carbon monoxide and carbon dioxide with one column at room temperature and separate permanent gases, including carbon monoxide and carbon dioxide, without cryogenic cooling.

Supplier: VARIAN

CP-PoraPLOT U and CP-PoraPLOT S provide symmetrical peaks from polar and non-polar volatiles for ultimate accuracy.

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.

Supplier: Restek

The Rxi-PAH GC columns were designed with a higher phenyl-content stationary phase that provides unique selectivity to separate important polycyclic aromatic hydrocarbons (PAH) for food safety that cannot be distinguished by mass spectrometry.

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.

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. 2,3-di-O-methyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added into 14% cyanopropylphenyl/86% dimethyl polysiloxane.These are excellent column for most chiral compounds in essential oils.

Supplier: Restek

Restek Rt®-Alumina BOND columns are highly selective for C1 to C5 hydrocarbons and separate all saturated and unsaturated hydrocarbon isomers above ambient temperatures.

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. Permethylated beta cyclodextrin added into 14% cyanopropylphenyl / 86% dimethyl polysiloxane.

Supplier: Avantor

The Avantor® ACE® C18-AR phase utilises a specially developed ligand combining a C18 chain with integral phenyl functionality, thus combining the benefits of both C18 and phenyl characteristics into a single phase. This can be used for ‘standard’ C18 column separations, but is additionally recommended for separations that involve compounds containing aromatic functionality.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Restek

Rt-alumina BOND/Na₂SO₄ columns (fused silica PLOT) are used for Na₂SO₄ deactivation.

Supplier: AAT Bioquest

ReadiUse™ Spin chromatography columns are packed with polyacrylamide P-6-DG matrices for buffer exchange and desalting applications.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Restek

These MXT-5 columns are Siltek-treated stainless steel with low-polarity phase, crossbond diphenyl dimethyl polysiloxane stationary phase. All residual catalysts and low molecular weight fragments are removed from the MXT-5 polymer, providing a tight monomodal distribution and extremely low bleed.

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.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

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.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Avantor

Avantor® ACE® CN-ES combines CN polar selectivity with enhanced hydrophobicity, enabling the benefits of both interactions to be fully exploited. Extra phase stability and increased column lifetime is provided by an extended alkyl chain spacer between the silica surface and cyano group. Avantor® ACE® CN-ES is suitable for both reversed phase and normal phase separations.

Supplier: Thermo Fisher Scientific

These columns are designed for the separation of hydrophilic biomolecules in HILIC mode. Based on Core Enhanced Technology, they provide fast, high resolution separations without the elevated back pressures required by sub-2 µm particles.

Supplier: Restek

Stabilwax-MS columns ensure reproducible retention times from run to run, even with temperature cycling. When methods require trace analysis, this highly polar, low-bleed stationary phase produces excellent signal-to-noise levels. Ideal for food and flavor analysis (e.g., essential oils), fragrance and allergen analysis, as well as industrial solvent and chemical analysis.

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

Supplier: VWR Collection

The ChromasterUltra Rs is the result of many years of research, development and experience, leading to the introduction of one of the most advanced, robust and easy to use UHPLC system available on the market today. Hitachi-High Technologies is a world leader in fluid control and optical analysis technology, as well as in high performance electronics. Hitachi has focused on combining the knowledge of these three key disciplines to give the world of chromatography one of the best instruments for today's demands. To arrange a demonstration with one of our experts, please email [email protected].

Supplier: Restek

Aqueous C18 is a rugged, reversed-phase column with a well-balanced retention profile. It can effectively retain more types of solutes than a conventional C18 and is ideal for multicomponent LC-MS analyses. The general-purpose Aqueous C18 boasts high reproducibility and compatibility with many mobile phase conditions - even 100% aqueous. And when used with a gradient, it eliminates the all-too-common issue of multiple compounds eluting near the column void time.

Supplier: Avantor

Avantor® ACE® C18-PFP phase utilises a specially developed ligand combining a C18 chain with integral PFP functionality. This results in a phase that maintains the hydrophobic, stability and low bleed characteristics of leading C18 phases, yet provides the multiple retention mechanisms of a PFP phase.

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.

Supplier: Thermo Fisher Scientific

Endcapped, ultra-pure, silica-based columns with exceptional peak shape and resolution designed for HPLC and  LC/MS.