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Hai cercato: Colonne cromatografiche

Colonne cromatografiche

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.

Colonne SPE per applicazioni speciali, J.T.Baker®, BAKERBOND spe™ PAH Aqua

Supplier: Avantor

Queste colonne di estrazione in fase solida sono progettate per l'estrazione e la pulizia degli idrocarburi poliaromatici (PAH) dall'acqua, compresi i 16 PAH inquinanti prioritari dell'EPA e per diverse applicazioni che utilizzano diverse colonne SPE.

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Hibar® HPLC Columns, with Purospher® Sorbents

Hibar® HPLC Columns, with Purospher® Sorbents

Supplier: Merck

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

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HPLC columns, LiChroCART®, Purospher® STAR RP-8e

HPLC columns, LiChroCART®, Purospher® STAR RP-8e

Supplier: Merck

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

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Estrazione liquido-liquido, Extrelut® NT

Estrazione liquido-liquido, Extrelut® NT

Supplier: Merck

EXtrelut® NT è una speciale terra di diatomea, inerte, con pori larghi e ampio volume poroso. È stata utilizzata per lungo tempo nella ricerca, per la preparazione di campioni di urina, sangue intero, plasma e altre matrici biologiche. Altre applicazioni includono test dei residui e ambientali, quali l'analisi delle acque industriali, domestiche e reflue. EXtrelut® NT è disponibile già confezionato in cartucce o come sorbente sfuso. EXtrelut® NT semplifica l’estrazione liquido-liquido sostituendo gli imbuti separatori. L’uso di un singolo passaggio rende l’operazione più efficiente e consente di risparmiare solvente, oltre che materiale e tempo, rispetto alla separazione con imbuto. È sufficiente applicare il campione acquoso al sorbente EXtrelut® NT. Questo si distribuisce sulla matrice chimicamente inerte, agendo come una fase stazionaria. Successivamente, l’eluizione ha luogo utilizzando solventi organici non miscibili con acqua. Tutte le sostanze lipofile vengono estratte dalla fase acquosa alla fase organica.

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HPLC columns, LiChroCART®, LiChrospher® 100 DIOL

HPLC columns, LiChroCART®, LiChrospher® 100 DIOL

Supplier: Merck

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

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HPLC columns, LiChroCART®, LiChrospher® 100 RP-18e

HPLC columns, LiChroCART®, LiChrospher® 100 RP-18e

Supplier: Merck

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

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HPLC columns, Hibar®, LiChrospher® 100  RP-8e

HPLC columns, Hibar®, LiChrospher® 100 RP-8e

Supplier: Merck

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

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Colonne HPLC, SeQuant® ZIC®-pHILIC

Colonne HPLC, SeQuant® ZIC®-pHILIC

Supplier: Merck

La colonna ZIC®-pHILIC ha la stessa fase stazionaria del tipo ZIC®-HILIC, ma è basata su una particella polimerica che aumenta la stabilità del pH. In pratica, la mancanza di silice annulla il background in rilevatori ad alta sensibilità, come ad esempio aerosol caricato utilizzato per determinare ioni organici e inorganici.

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HPLC columns, Chromolith® Phenyl

HPLC columns, Chromolith® Phenyl

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.

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Supelco® Ascentis® Express Phenyl-Hexyl HPLC and UHPLC Columns

Supelco® Ascentis® Express Phenyl-Hexyl HPLC and UHPLC Columns

Supplier: Merck

Ascentis® Express 90 Å Phenyl-Hexyl high-speed, high-performance liquid chromatography columns are based on a Fused-Core® particle design.

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Discovery® RP-Amide C16 HPLC Columns

Supplier: Merck

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

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HPLC columns, SUPELCOSIL™, LC-NH₂, Supelco®

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.

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SPE tubes, Supelclean™ ENVI-18, Supelco®

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.

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Capillary columns, traditional phases, SPB-5, Supelco®

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.

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Supelco® Ascentis® Express ES-C18 HPLC and UHPLC Columns

Supplier: Merck

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

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Supelco® Ascentis® C8 HPLC Columns

Supplier: Merck

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

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HPLC columns, Hibar®, with Superspher® Sorbents

HPLC columns, Hibar®, with Superspher® Sorbents

Supplier: Merck

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

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HPLC columns, LiChroCART®, LiChrospher® 100 CN

HPLC columns, LiChroCART®, LiChrospher® 100 CN

Supplier: Merck

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

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Colonne per UHPLC Purospher® STAR RP-18 con endcapping

Colonne per UHPLC Purospher® STAR RP-18 con endcapping

Supplier: Merck

Disponibili con silice in particelle da 2 μm ottimizzate, queste colonne UHPLC basate su Purospher® STAR RP-18 con endcapping sono ideali per applicazioni ultra-veloci, in cui risoluzione, sensibilità e rendimento dei campioni sono fattori cruciali. Rappresentano la prima scelta per screening HTS e analisi QC, monitoraggio dei processi, sviluppo di metodi e applicazioni LC/MS. La selettività bilanciata consente alle colonne UHPLC Purospher® STAR RP-18 con endcapping di coprire tutte le separazioni più complesse con cromatogrammi senza scodamento. Le colonne da 3 μm Purospher® STAR RP-18 con endcapping sono consigliate per campioni difficili, in cui intasamenti e contropressione rappresentano un problema.

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Colonne per HPLC, Purospher® STAR Si e NH₂

Colonne per HPLC, Purospher® STAR Si e NH₂

Supplier: Merck

Le colonne per HPLC Purospher® STAR basate su silice di altissima purezza sono disponibili anche per separazioni a fase normale.

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HPLC columns, LiChroCART®, Purospher® RP-18 HC

HPLC columns, LiChroCART®, Purospher® RP-18 HC

Supplier: Merck

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

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Supelco® Ascentis® Express AQ-C18 HPLC and UHPLC Columns

Supelco® Ascentis® Express AQ-C18 HPLC and UHPLC Columns

Supplier: Merck

Ascentis® Express AQ-C18 are high-speed, high-performance liquid chromatography columns, based on the Fused-Core® particle design.

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Supelco® BIOshell™ IgG 1000 Å C4 Fused-Core® HPLC Columns

Supelco® BIOshell™ IgG 1000 Å C4 Fused-Core® HPLC Columns

Supplier: Merck

BIOshell™ IgG 1000 Å C4 is a high-speed, high-performance liquid chromatography column based on a new wide-pore (1000 Å) Fused-Core® particle design.

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Supelco® BIOshell™ HPLC Columns, 160 Å Peptide CN Fused-Core®

Supelco® BIOshell™ HPLC Columns, 160 Å Peptide CN Fused-Core®

Supplier: Merck

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

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HPLC columns, SUPELCOSIL™, ABZ+Plus, Supelco®

Supplier: Merck

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

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Supelco® BIOshell™ IgG 1000 Å Diphenyl HPLC Columns

Supplier: Merck

BIOshell™ IgG 1000 Å Diphenyl is a high-speed, high-performance liquid chromatography column based on a new wide-pore (1000 Å) Fused-Core® particle design.

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Supelco® Ascentis® Express Biphenyl HPLC and UHPLC Columns

Supelco® Ascentis® Express Biphenyl HPLC and UHPLC Columns

Supplier: Merck

Ascentis® Express 90 Å Biphenyl high-speed, high-performance liquid chromatography columns are based on a superficially porous Fused-Core® particle design.

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Discovery® C8 HPLC Columns

Supplier: Merck

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

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Supelco® Ascentis® Express PAH HPLC Columns

Supelco® Ascentis® Express PAH HPLC Columns

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.

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HPLC columns, Discovery RP-AmideC16, Supelco®

Supplier: Merck

These columns with excellent retention and resolution of polar compounds are less hydrophobic than C18 columns.

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