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233 Resultaten voor: "Solid Phase Extraction"

Solid phase extraction cartridges, HyperSep™ C18

Solid phase extraction cartridges, HyperSep™ C18

Supplier: Thermo Fisher Scientific

These columns feature a highly retentive alkyl-bonded phase for non polar to moderately polar compounds.

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Solid phase extraction cartridges, Resprep®, C18 / C8

Solid phase extraction cartridges, Resprep®, C18 / C8

Supplier: Restek

These cartridges are made of glass fiber disks embedded with C18 or C8 bonded silica. These hydrophobic (nonpolar) silica-based adsorbents are ideal to extract hydrophobic analytes from polar matrices, such as water (e.g., pesticides from water).

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Solid phase extraction cartridges, Resprep®

Solid phase extraction cartridges, Resprep®

Supplier: Restek

These cartridges are manufactured using high density polypropylene and have polyethylene frits unless otherwise noted. Hydrophilic (polar) adsorbents used to extract hydrophilic analytes from nonpolar matrices, such as organic solvents (e.g., polar contaminants from sample extracts).

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Solid phase extraction cartridges, Bond Elut™ PCB

Supplier: VARIAN

Bond Elut™ PCB is a specially designed sorbent which allows for the facile extraction of polychlorinated biphenyl (PCB) compounds from a variety of matrices. Desired analytes can be loaded and eluted using a simple, single solvent method prior to analysis by GC/ECD.

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Solid phase extraction cartridges, HyperSep™ C8

Solid phase extraction cartridges, HyperSep™ C8

Supplier: Thermo Fisher Scientific

HyperSep™ C8 cartridges, less retentive alternative to C18 for polar and nonpolar compounds.

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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, HyperSep™ Diol

Solid phase extraction cartridges, HyperSep™ Diol

Supplier: Thermo Fisher Scientific

A short alkyl chains with polar functional groups are ideal for the isolation of polar compounds.

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Solid phase extraction cartridges, Bond Elut™ AccuCAT

Solid phase extraction cartridges, Bond Elut™ AccuCAT

Supplier: VARIAN

Bond Elut AccuCAT cartridges are mixed bed SPE cartridges consisting of a strong cation exchange (SCX) and a strong anion exchange (SAX) sorbent packed into one bed. AccuCAT is effective for the extraction of acidic, basic and neutral analytes from urine and other biological samples. AccuCAT is particularly effective for catecholamine extraction from bio fluids.

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Solid phase extraction cartridges, Resprep®, CarboPrep®

Solid phase extraction cartridges, Resprep®, CarboPrep®

Supplier: Restek

CarboPrep® cartridges are manufactured from chromatographic-grade, nonporous, graphitized carbon. Our manufacturing process minimises variability and improves recovery and cleanup procedures.

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Solid phase extraction cartridges, Oasis® WCX

Supplier: WATERS

These cartridges contain the Oasis® WCX sorbent, which is a polymeric reversed phase, weak ion exchange mixed mode sorbent that has been optimized for fast, simple, and highly selective sample preparation of strong basic compounds and quaternary amines.

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Solid phase extraction cartridges, Bond Elut™ Alumina

Supplier: VARIAN

Alumina, like silica, is an extremely polar sorbent. The alumina surface tends to be slightly more stable under high pH conditions than unfunctionalised silica. The small particle size of the Bond Elut™ Alumina range ensures high extraction efficiency even when small bed masses are used.

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Solid phase extraction cartridges, Bond Elut™ ENV

Supplier: VARIAN

Bond Elut™ ENV, a PS/DVB polymer, is designed for the extraction of polar organic residues. It contains 125 μm spherical particles with a high degree of cross linking, advantageous for high volume, fast flow-through applications.

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Solid phase extraction cartridges, Bond Elut™ CN-E

Supplier: VARIAN

A medium polarity sorbent with many uses, Bond Elut™ CN-E is ideal for applications in which extremely non-polar compounds would be irreversibly retained on high carbon load sorbents such as C₈ and C₁₈. This endcapped version of the cyano sorbent is best utilised when extracting analytes from an aqueous matrix.

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Solid phase extraction cartridges, Bond Elut™ C2

Solid phase extraction cartridges, Bond Elut™ C2

Supplier: VARIAN

Bond Elut™ C2 is a fairly non-polar sorbent because of the short chain length of the functional group. C2 is often used during the process of method development if analytes are retained too strongly on a C8 or C18 phase. The polarity of C2 is slightly lower than a cyano phase for polar interactions.

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Solid phase extraction cartridges, Bond Elut™ Mycotoxin

Supplier: VARIAN

Bond Elut™ Mycotoxin is a novel sorbent which cleans up food extracts for improved trichothecene and zearalenone analysis. Results are comparable or superior to competing methods, including immunoaffinity columns (IaC) and charcoal/alumina columns. The sorbent is a proprietary silica-based ion exchange material.

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Empty solid phase extraction cartridges with two frits, Bond Elut™

Empty solid phase extraction cartridges with two frits, Bond Elut™

Supplier: VARIAN

Clean PP reservoirs contain two PP frits pre-inserted, an ideal configuration for simple filtration.

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Solid phase extraction cartridges, Oasis® WAX

Supplier: WATERS

These Oasis® WAX cartridges contain the WAX sorbent, which is a polymeric reversed phase, weak anion exchange mixed mode sorbent that has been optimised for fast, simple, and highly selective sample preparation of strong acidic compounds.

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Solid phase extraction cartridges, Bond Elut™ Certify

Supplier: VARIAN

The Bond Elut™ Certify extraction cartridge utilises a packed bed consisting of a special, non-polar C8 sorbent and a strong cation exchanger (SCX). Certify is most commonly used to extract basic (cationic) drugs from urine and blood, but it is also very effective for extraction of a wide range of compounds from a diverse range of aqueous matrices.

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Solid phase extraction cartridge, Sep-Pak® XPoSure™ Plus

Supplier: WATERS

Specially designed for monitoring aldehydes in indoor air.

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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.

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Solid phase extraction cartridges, HyperSep™ Florisil

Solid phase extraction cartridges, HyperSep™ Florisil

Supplier: Thermo Fisher Scientific

Ideal for the isolation of polar compounds from non polar matrices.

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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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Solid phase extraction cartridges, Bond Elut™ CBA

Supplier: VARIAN

CBA is a mid-polarity sorbent and weak cation exchanger (pKa 4,8). It can be used with a wider range of counter-ions than lower pKa sorbents like SCX and will demonstrate easier elution of quaternary amine functionalised analytes.

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Solid phase extraction cartridges, Bond Elut™ PH

Supplier: VARIAN

Bond Elut™ PH is a non-polar bonded silica material which exhibits a different selectivity to alkyl or aliphatic functionalised phases such as C8 or cyclohexyl. The electron density present in the aromatic ring affords an enhancement in the retention of conjugated or aromatic ring-containing analytes due to desirable pi-pi interactions.

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Distillatie-, mineralisatie- en extractiesystemen, behrotest® Kompact

Distillatie-, mineralisatie- en extractiesystemen, behrotest® Kompact

Supplier: BEHR

Complete sets met apparatuur voor de voorbereiding en distillatie voor vaak vereiste analyses van vaste en waterige monsters.

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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.

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Solid phase extraction cartridges, Bond Elut™ Certify II

Supplier: VARIAN

Bond Elut™ Certify II was developed specifically for the rapid and effective extraction of acidic drugs and metabolites from urine and other biological matrices. Certify II is a mixed-mode cartridge packed with non-polar C8 and strong anion exchange (SAX) sorbent. It has been optimised for acidic drugs such as 11-nor-delta-9-tetrahydrocannibinol-carboxylic acid, salicylic acid, ibuprofen, acetaminophen and other compounds that possess both non-polar and anionic characteristics.

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VWR®, Compacte vacuümpompen voor filtratie en vastefase-extractie

VWR®, Compacte vacuümpompen voor filtratie en vastefase-extractie

Supplier: VACUUBRAND

Vacuümfiltratie is een van de meest gebruikte toepassingen voor monstervoorbereiding in de chemie, microbiologie, afvalwatercontrole en andere analyseprocessen. De VP 100 en VP 100 C membraanpompen bieden een compacte, krachtige en eenvoudig te gebruiken oplossing die niet alleen zeer geschikt is voor enkelvoudige, maar ook meervoudige filtraties.

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Solid phase extraction cartridges, Bond Elut™ LMS

Supplier: VARIAN

Bond Elut™ LMS polymeric sorbent lets you elute without having to add amine modifiers, buffers, or acids. The elimination of secondary interactions means that elution of analytes can be achieved with pure organic solvents or HPLC mobile phase-compatible solvent mixtures of low ionic strength. These characteristics are crucial to allow compatibility with LC/MS or other delicate analytical techniques.

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Solid phase extraction cartridges, Bond Elut™ C1

Solid phase extraction cartridges, Bond Elut™ C1

Supplier: VARIAN

Due to the methyl group and subsequent low carbon load, Bond Elut™ C1 is the least retentive of all alkyl group bonded phases for non-polar compounds. However, due to the extensive end capping of this sorbent to mask polar silanol activity, retention and elution of polar and multi-functional analytes can still be achieved. Typical applications include plasma, urine and aqueous samples.

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