Vous avez recherché : Colonnes pour chromatographie
Chromatography columns separate molecules within mixtures during gas or liquid chromatography. Filled with stationary phase compositions or chemical compounds, 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 solvent polarity, composition, and size. The right chromatography control system allows to automate the delivery of cleaning, sanitizing and conditioning buffers to the packed column, and can enable to cycle the chromatography column several times during the batch, requiring smaller columns and subsequent lower capital investment.
HPLC columns, Allure® organic acids
Supplier: Restek
Allure® Organic Acids columns provide enhanced retention and selectivity for polar organic acids, allowing the separation to be performed on a single 30 cm column.
Expand 13 Items
Capillary columns, Rtx-Dioxin (fused silica)
Supplier: Restek
This Rtx®-Dioxin column has greater thermal stability than 5% diphenyl phases or high-cyano confirmation columns.
Expand 1 Items
Capillary columns, Rtx®-1614 columns (fused silica), Restek
Supplier: Restek
Rtx®-1614 columns (fused silica) are optimised for PBDE analysis by EPA Method 1614.
Expand 1 Items
HPLC columns, Pinnacle® DB PFP Propyl
Supplier: Restek
Pinnacle® DB PFP Propyl columns provides great retention and selectivity of charged bases, electronegative compounds, and amine-containing compounds.
Expand 54 Items
Guard/retention gap columns, Siltek®-Deactivated (fused silica)
Supplier: Restek
Analyse active samples accurately; ideal for chlorinated pesticide analysis (reduces endrin breakdown to less than 1%)
Expand 8 Items
LC column, force biphenyl
Supplier: Restek
Force Biphenyl LC HPLC Columns are ideal for bioanalytical testing applications like drug and metabolite analyses.
Expand 1 Items
Anion exchange chromatography column kits, NucleoBond® Xtra Midi/Maxi
Supplier: MACHEREY-NAGEL
NucleoBond® Xtra Midi and Maxi kits contain enlarged columns which leads to lower silica resin beds. This in turn enables faster flow of lysate and buffers through the columns.
Expand 10 Items
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.
Expand 8 Items
Secondary columns for GCxGC (fused silica), Rxi-17Sil
Supplier: Restek
Convenient 2 m length is ideal for use as a secondary column in GCxGC analyses.
Expand 1 Items
GC columns, Mxt®-Alumina BOND/MAPD
Supplier: Restek
MXT-Alumina BOND/MAPD PLOT columns are made specifically for the analysis of petrochemicals and downstream products such as ethylene, propylene, butylenes and butadiene.
Expand 2 Items
Bio-Safe column system
Supplier: Restek
Bio-Safe columns are biocompatible and precision-machined from virgin PEEK.
Expand 1 Items
HPLC columns, Raptor™ C18 (USP L1)
Supplier: Restek
These traditional endcapped C18 columns are ideal for general-purpose use in reversed-phase chromatography.
Expand 29 Items
Empty chromatography columns
Supplier: Restek
This 316 stainless steel tubings are complete with end-fittings, frits, nuts and ferrules which are preassembled. And the internal 1,6 mm seats are compatible with Valco® and parker fittings.
Expand 17 Items
Guard/retention gap columns, hydroguard® treated MXT® (passivated stainless steel)
Supplier: Restek
Extend analytical column lifetime by preventing degradation from harsh 'steam-cleaning' water injections.
Expand 6 Items
Guard columns, Metal MXT®, Restek
Supplier: Restek
These columns are made up of passivated stainless steel.
Expand 1 Items
Capillary columns, Rtx®-65 (fused silica)
Supplier: Restek
Mid-to high-polarity phase, Crossbond® diphenyl dimethyl polysiloxane, general-purpose columns for phenols, fatty acids, triglycerides.
Expand 5 Items
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
Expand 2 Items
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.
Expand 7 Items
GC columns, Rt®-TCEP (fused silica)
Supplier: Restek
General purpose Rt®-TCEP columns is ideal for aromatics and oxygenates in gasoline.
Expand 2 Items
Capillary columns, MXT®-65 (Siltek®-treated stainless steel)
Supplier: Restek
MXT®-65 columns are general-purpose columns for phenols, triglycerides, and fatty acids.
Expand 1 Items
Analytical HPLC columns, XSelect™ CSH C18
Supplier: WATERS
XSelect™ CSH C18 is a general purpose column that provides alternative selectivity compared to other C18 sorbents. Charged Surface Hybrid (CSH) technology helps to overcome column related problems such as peak shape asymmetry and poor loading for basic compounds, column bleed and slow mobile-phase re-equilibration.
Expand 2 Items
Solid phase extraction cartridges, Sep-Pak® Vac
Supplier: WATERS
These cartridges deliver the option of minimum sample preparation. Consists of moulded, high purity PP syringe-barrel bodies with two PE frits to contain the packing material.
Expand 9 Items
Gel permeation chromatography columns, Styragel® HR
Supplier: WATERS
Styragel® HR columns are high-resolution GPC columns packed with 5 µm particles and are ideal for characterising samples in the low to mid molecular range where high resolution is critical.
Expand 7 Items
Analytical HPLC columns, Symmetry® C18
Supplier: WATERS
Symmetry® C18 columns feature monofunctionally bonded C18 ligands on a high purity base-deactivated silica.
Expand 13 Items
Sentry guard cartridges, XBridge™
Supplier: WATERS
XBridge BEH C18 sorbent can be used over an entire range of mobile phase pH (1 to 12). The trifunctionally bonded C18 ligand provides with a universal column for most HPLC separations and gives you the widest usable pH range, superior low pH stability, and ultra-low column bleed. The XBridge BEH C8 sorbent is less retentive compared to the XBridge BEH C18 sorbent.
Expand 5 Items
Reversed phase HPLC columns, Atlantis® dC18
Supplier: WATERS
Atlantis® dC18 columns are universal, silica-based, reversed phase C18 columns that are used for polar compound retention. The Atlantis® dC18 columns feature di-functionally bonded C18 ligands that have been optimised for use with highly aqueous mobile phases, including 100% water.
Expand 8 Items
HPLC columns, Waters Spherisorb®
Supplier: WATERS
Spherisorb® is a porous, spherical material with a range of narrow particle and pore size distribution resulting in very efficient chromatographic separations. These columns have industry standard, fixed end-fittings and are available in three particle sizes. For guard columns, use corresponding Spherisorb® guard cartridge with stand-alone holder listed under “Fittings and Accessories'”
Expand 48 Items
Guard cartridges, Waters Spherisorb®
Supplier: WATERS
The cartridges are compatible with the Spherisorb® cartridge system. They may also be used in a stand-alone holder or in integral extended cartridge end-fitting.
Expand 11 Items
Solid phase extraction cartridges, Sep-Pak® Plus
Supplier: WATERS
These cartridges can used with liquid and gas samples and have the unique capability of reverse flow direction, a useful feature for trace enrichment application.
Expand 3 Items
Analytical HPLC columns, SymmetryShield™ RP8
Supplier: WATERS
SymmetryShield™ columns feature Waters' patented embedded polar group technology that shields the silica's residual silanols from highly basic analytes at improves overall peak shape. Additionally, by placing the embedded polar group close to the silica surface, the activity of the surface silanols is further reduced. This imparts selectivity and retention that is different compared to the Symmetry® C18 ligand.