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Du søgte efter: Kromatografikolonner

Kromatografikolonner

VWR har et stort udvalg af kromatografikolonner til bl.a. HPLC, LC-MS, UHPLC, GC, GPC og SFC til mange forskellige separations metoder såsom revers fase og HILIC. Kromatografikolonner separerer molekyler ved gas- eller væskekromatografiske metoder. Vi fører færdigpakkede preparative og analytiske kolonner med forskellige materialer og resiner i mange forskellige størrelser og brands.

Capillary columns, CP-Sil PAH CB UltiMetal

Supplier: VARIAN

The UltiMetal CP-Sil PAH CB column combines the advantages of a highly thermo-stable stationary phase with UltiMetal as the column material.

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GC columns J&W CP-Wax 52 CB

GC columns J&W CP-Wax 52 CB

Supplier: VARIAN

CP-Wax 52 provides higher resolution of low boiling point analytes, and is ideal for a variety of EPA and ASTM methods.

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Capillary columns, VF-Xms

Capillary columns, VF-Xms

Supplier: VARIAN

VF-Xms delivers the ultimate in sensitivity and signal-to-noise ratio, and is the low bleed, more polar alternative.

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GC columns, J&W CP-1301

Supplier: VARIAN

Agilent JW CP-1301 is a medium polarity column ideal for the analysis of herbicides, pesticides, and many pharmaceutical products.

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Capillary columns, Select Biodiesel

Capillary columns, Select Biodiesel

Supplier: VARIAN

Select Biodiesel columns address the key challenge of good column lifetime when operating at very high temperatures up to 400 °C.

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Capillary columns, CP-Sil 5/C₁₈ CB for PCB

Supplier: VARIAN

CP-Sil 5/C₁₈ CB for PCB has a lower polarity than 100% polydimethylsiloxane due to its C₁₈ substitutions. Due to the absence of cyano groups it provides high signal-to-noise ratios for ECD detectors.

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Capillary columns, CP-Sil 8 CB for pesticides

Supplier: VARIAN

CP-Sil 8 CB delivers a linear column response down to femtogram levels.

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Capillary columns, CP-SimDist

Supplier: VARIAN

CP-SimDist Fused Silica columns are guaranteed for simulated distillation up to C100.

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Capillary columns, CP-Wax 57 CB

Capillary columns, CP-Wax 57 CB

Supplier: VARIAN

CP-Wax 57 CB for Glycols and Alcohols is guaranteed for the analysis of glycols, diols and alcohols. It has a unique, high polarity wax phase that produces symmetrical peaks.

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Capillary columns, CP-TCEP for alcohols in gasoline

Capillary columns, CP-TCEP for alcohols in gasoline

Supplier: VARIAN

CP-TCEP column is able to separate benzene after n-dodecane. In addition, the excellent separation power provides the necessary resolution for complex mixtures such as gasoline.

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Capillary columns, VF-5 Pesticides and VF-1701 Pesticides

Capillary columns, VF-5 Pesticides and VF-1701 Pesticides

Supplier: VARIAN

These columns are specially designed for the determination of trace levels of pesticide residue.

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Capillary columns, CP-Sil 5 CB for Formaldehyde

Capillary columns, CP-Sil 5 CB for Formaldehyde

Supplier: VARIAN

CP-Sil 5 CB for Formaldehyde is optimized for the analysis of formaldehyde, water and methanol, and can deliver trace analysis of sulfur compounds and partial permanent gases.

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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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SPE cartridges, SPEC disk

Supplier: VARIAN

SPEC Disk SPE delivers superior flow characteristics and trouble free automation.

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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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CP-Wax Kolonner

CP-Wax Kolonner

Supplier: VARIAN

CP-Wax™ linjerne af kemisk bundne søjler tilbyder en bred vifte af selektiviteter til metodeoptimering. Rygraden i denne serie stationære faser er lavet af en polyethylenglycol.

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Capillary columns, VF-5ms

Capillary columns, VF-5ms

Supplier: VARIAN

VF-5ms is a highly inert 5% phenyl-methyl column for increased sensitivity, accuracy and instrument uptime.

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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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Empty solid phase extraction cartridges, Bond Elut™

Empty solid phase extraction cartridges, Bond Elut™

Supplier: VARIAN

Bond Elut empty SPE cartridges are made with high purity polypropylene for cleaner extracts.

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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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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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Capillary columns, CP-Sil 88 for Dioxins

Supplier: VARIAN

The CP-Sil 88 column has a very high polarity and a specific selectivity for dioxins and dibenzofuran separations.

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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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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, VF-1701ms

Capillary columns, VF-1701ms

Supplier: VARIAN

GC column for pesticides, PCBs and semi-volatile organic compounds.

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Capillary columns, CP-Sil 5 CB for Sulphur

Capillary columns, CP-Sil 5 CB for Sulphur

Supplier: VARIAN

Column type: GC kolonne, CP-Sil 5 CB for Sulfur, Ø indv.: 0,32 mm, Længde: 30 m, Filmtykkelse: 4,00 µm

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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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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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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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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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