You searched for: Chromatography Columns

Supplier: Merck

Stainless steel Hibar® columns are complete with endfittings. These columns are available with various types of Superspher® sorbents.

Supplier: Merck

LiChrosorb® is one of the most successful HPLC packing materials. It is a totally porous, irregular particle silica gel produced with pore sizes of 60 and 100 Å. LiChrosorb® HPLC columns are available either as a cartridge, requiring re-usable endfittings, or as a complete end-fitted column.

Supplier: Merck

This intermediate polarity column is mainly designed for analyses of volatile organic compounds (VOCs), offers great retention and resolution of highly volatile compounds.

Supplier: Merck

The Discovery® C8 columns provide the best suitable selectivity for many applications.

Supplier: Resonac

QA-825, DEAE-825: Suitable for the analysis of relatively high molecular weight compounds, such as proteins, peptides, DNA, and RNA. Usable across wide pH range between 2 and 12.

Supplier: Merck

BIOshell™ 160 Å Peptide CN columns provide an alternative selectivity to the traditional C18 bonded phases.

Supplier: Merck

Purospher® STAR HPLC columns based on highest purity silica are also available for normal phase separations.

Supplier: Merck

These phases are used to deactivate the basic compounds. Widely used in industries to analyse the difficult in basic compounds.

Supplier: Merck

Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

Supplier: Merck

Stainless steel LiChroCART® cartridges are available with LiChrospher® sorbents. Ideal for separation of compounds under basic eluents.

Supplier: Merck

Superspher® improves the separation efficiency of HPLC analysis. This high performance spherical silica carrier, with a mean particle size of 4 μm, yields the best pressure/separation performance ratio in view of today's generation of HPLC systems and according to theoretical calculation and practical experience.

Supplier: Merck

This column with bonded poly(ethylene glycol) phase allows highly reproducible analyses of fatty acid methyl esters (FAMEs), specifically the omega 3 and omega 6 fatty acids. It is tested to ensure reproducible FAME equivalent chain length (ECL) values and resolution of key components.

Supplier: Merck

Stainless steel Hibar® columns are complete with endfittings. These columns are available with various types of Purospher® sorbents.

Supplier: Merck

Stainless steel Hibar® columns are complete with endfittings. These columns are available with various types of LiChrospher® sorbents.

Supplier: Merck

Ascentis^® Express ES-C18 is a non-endcapped C18 stationary phase based on the proven Fused-Core^® particle design.

Supplier: Merck

Ascentis® Express PAH is a non endcapped C18 bonded phase with a proprietary manufacturing process designed on proven Fused-Core® technology to provide a fast and efficient separation of PAH compounds.

Supplier: Merck

The Discovery® RP-Amide C16 HPLC Column with unique retention and selectivity.

Supplier: Merck

Ascentis® C8 HPLC columns are optimised to the three terms of the resolution equation: efficiency, retention, and selectivity.

Supplier: Merck

Chromolith® Phenyl HPLC columns offer greater selectivity towards aromatic ring-containing compounds than standard alkyl phases. These columns are ideal for the separation of aromatic compounds, flavonoids, fatty acids, PAH, preservatives, purines and pyrimidines.

Supplier: Merck

Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

Supplier: Merck

Dual layer SPE tube that contains Na2SO4 (upper layer) and Florisil (magnesium silicate; lower layer) separated and packed with PTFE frits (glass tubes) or PE frits (PP tubes).

Supplier: Merck

Stainless steel LiChroCART® cartridges are available with LiChrospher® sorbents. Ideal for separation of compounds under basic eluents.

Supplier: Merck

Stainless steel LiChroCART® cartridges are available with LiChrospher® sorbents. Ideal for separation of compounds under basic eluents.

Supplier: Merck

Silica based SUPELCOSIL™ LC-NH₂ columns separate monosaccharides, disaccharides, and some trisaccharides, with elution generally in order of increasing molecular weight. Retention decreases as the proportion of water:acetonitrile in the mobile phase is increased.

Supplier: Merck

These bonded poly(5% diphenyl/95% dimethylsiloxane) low phenyl content columns improve thermal stability of the phase, while still providing essentially a boiling point elution order, and a slight increase in selectivity, especially for aromatic compounds.

Supplier: Merck

Available with optimised 2 μm particulate silica, these UHPLC columns, based on Purospher® STAR RP-18 endcapped, are ideal for ultra-fast applications, where resolution, sensitivity and sample throughput are crucial. They are the first choice for high throughput screening and QC analyses, process monitoring, method development and LC-MS applications. Due to its balanced selectivity, Purospher® STAR RP-18 endcapped UHPLC columns cover almost all demanding separations with tailing-free chromatograms. Purospher® STAR RP-18 endcapped 3 μm columns are recommended for difficult samples where clogging and back pressure present an issue.

Supplier: Merck

This Reversed phase Supelclean™ ENVI-18 are suitable for excellent for cleaning, extracting and concentrating pollutants from aqueous environmental sample (drinking, ground, waste water). Also suitable for extracting herbicides, fungicides and pesticides from waste material.

Supplier: Merck

ZIC®-pHILIC has the same stationary phase as ZIC®-HILIC, but is instead based on a polymeric particle for enhanced pH stability. The lack of silica practically nullifies background in high sensitivity detectors such as charged aerosol used for determination of organic and inorganic ions.

Supplier: Merck

Guard cartridge holder, stand-alone, for capillary connection of guard columns LiChroCart® 4-4 to column Hibar® RT

Supplier: Merck

Stainless steel Hibar® columns are complete with endfittings. These columns are available with Chiradex® sorbents. Ideal for separation of enantiomers of different class of substances.