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151 výsledků pro "Solid Phase Extraction"

151 Results for: "Solid Phase Extraction"

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Solid phase extraction cartridges, HyperSep™ Phenyl

Solid phase extraction cartridges, HyperSep™ Phenyl

Supplier: Thermo Fisher Scientific

Solid phase extraction cartridges, HyperSep™ phenyl offer alternative selectivity for retention of basic compounds. They are used for extraction of aromatic compounds and extraction of basic analytes.

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Solid phase extraction disk, ENVI™-18

Solid phase extraction disk, ENVI™-18

Supplier: Merck

Solid phase extraction disks provides faster flow rates and exhibits less clogging than PTFE discs for the extraction of organic contaminants from drinking water samples.

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Solid phase extraction cartridges, HyperSep™ Cyano

Solid phase extraction cartridges, HyperSep™ Cyano

Supplier: Thermo Fisher Scientific

Solid phase extraction cartridges with medium polarity sorbent, ideal for the isolation of polar compounds from non polar matrices.

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Solid phase extraction cartridges, LiChrolut®

Solid phase extraction cartridges, LiChrolut®

Supplier: Merck

LiChrolut® solid phase extraction (SPE) cartridges and accessories are manufactured to the highest standards. All SPE cartridges listed below are polypropylene unless otherwise stated. They are compatible with all automated SPE instruments and robots. Three important criteria are carefully controlled.

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Solid phase extraction cartridges, Bond Elut™ Focus

Supplier: VARIAN

Bond Elut™ Focus solid phase extraction cartridges with enhanced polar recovery. Features a unique amide functionalised polar-enhanced sorbent technology that delivers outstanding retention for polar and non-polar analytes.

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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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Specialty solid phase extraction cartridges, Bond Elut™ Carbon/NH₂

Supplier: VARIAN

These specialty solid phase extraction cartridges provide higher retention of small organics, including those that are too polar to retain on C18 or polymeric SPE.

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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, HyperSep™ Aminopropyl

Supplier: Thermo Fisher Scientific

A polar sorbent for both polar and anion exchange interactions.

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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, HyperSep™ SCX

Solid phase extraction cartridges, HyperSep™ SCX

Supplier: Thermo Fisher Scientific

A strong cation exchange sorbent for extraction of charged basic compounds.

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Solid phase extraction cartridges, HyperSep™ SAX

Solid phase extraction cartridges, HyperSep™ SAX

Supplier: Thermo Fisher Scientific

Strong anion exchange sorbent for extraction of weak acids.

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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, 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™ CN-U

Supplier: VARIAN

Bond Elut CN-U is ideally suited for the extraction of polar compounds from a nonpolar matrix, such as hexane or oils. It is suitable for very polar analytes that may be irreversibly retained on SI or Diol (2OH) SPE phases.

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QuEChERS Dispersive Solid Phase Extraction (SPE) Kit

Supplier: Thermo Fisher Scientific

The QuEChERS Extraction Kit is designed for the efficient extraction of pesticides from food samples, ensuring compliance with the 2025 China Pharmacopeia.

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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™ 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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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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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, 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™ PBA

Supplier: VARIAN

PBA is a unique sorbent consisting of a phenylboronic acid covalently linked to a silica gel surface. Covalent processes result in a higher retention to the sorbent surface than other mechanisms, resulting in superior clean-up. The boronate group has a high specificity for cis-diol containing compounds such as catechols, nucleic acids, low molecular weight proteins and carbohydrates.

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Solid phase extraction cartridges, Bond Elut™ PRS

Supplier: VARIAN

Bond Elut™ PRS is a strong cation exchange sorbent that is also relatively high in polarity. With no appreciable degree of hydrophobicity, in non-polar solvents, PRS is capable of polar and hydrogen bonding interactions. Due to the very low pKa of PRS, a high ionic strength eluent must be used, and so the use of PRS is recommended for weaker cationic species such as pyridinium compounds.

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Solid phase extraction cartridges, Bond Elut™ Plexa

Supplier: VARIAN

The water-wettable, hydroxylated exterior allows excellent flow, even with biological fluids. A gradient of polarity on the polymer surface shunts small analytes to the more hydrophobic centre of the polymer bead, where they are retained prior to the washing and elution steps. Plexa provides these performance enhancements due to a unique polymeric architecture with a non-retentive, hydroxylated, amide-free surface and a non-polar PS/DVB core for retaining small molecules.

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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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Accessories for empty solid phase extraction columns CHROMABOND®

Accessories for empty solid phase extraction columns CHROMABOND®

Supplier: MACHEREY-NAGEL

CHROMABOND®, Adapters (PVDF) for glass columns (3 and 6 ml)

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Solid phase extraction cartridges, Bond Elut™ PSA

Supplier: VARIAN

Bond Elut™ PSA is an alkylated amine sorbent that contains two different amino functionalities, one secondary and one primary. This gives a slightly higher pKa and ionic capacity compared to Bond Elut™ NH₂. The PSA functional group is a very effective bidentate ligand and is therefore an excellent sorbent for chelation applications. PSA has a significantly higher carbon load than most amino functional sorbents and thus is a better choice for polar compounds, which retain too strongly on Bond Elut™ NH₂.

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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™ PPL

Supplier: VARIAN

Bond Elut™ PPL is a styrene-divinylvenzene (SDVB) polymer that has been modified with a proprietary non-polar surface. PPL will retain even the most polar classes of analytes, including phenols. The large particle size allows ease of flow for viscous or particulate rich water samples, while the high surface area and strong hydrophobicity ensure reproducible extractions with high recoveries upon elution. Bond Elut™ PPL is suitable for EPA Method 528 ‘Determination of Phenols in Drinking Water by SPE and Capillary GC/MS’.

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