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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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Mark 7 spray chamber supplies

Mark 7 spray chamber supplies

Supplier: VARIAN

Mark 7 Spray Chambers for flame atomisation System. Easy-to-use twist and lock assembly allows for easy cleaning and routine maintenance.

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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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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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GC ferrules, without holes

Supplier: VARIAN

Vespel®, Ferrules, vespel, blank, without holes, O.Ø 1/16"

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DEA plates, Bond Elut

Supplier: VARIAN

Bond Elut DEA (diethylaminopropyl) can be used as both a weak anion exchange sorbent with aqueous samples or as a polar sorbent with nonpolar organic matrixes.

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Pre-weighted calibration kits, EasiVial™

Supplier: VARIAN

The quickest and most convenient method to deliver an accurate 12 point column calibration for organic and aqueous GPC/SEC column calibration.

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Dissolution cuvettes

Supplier: VARIAN

Increase flexibility and capabilities of spectrophotometers thanks to certified calibration and installation cuvettes.

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Tubing for peristaltic pump

Tubing for peristaltic pump

Supplier: VARIAN

Pump tubing, TPE, For ketone-based organic samples, Colour coded stops: Orange/yellow

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Supplies for markes thermal desorption

Supplies for markes thermal desorption

Supplier: VARIAN

Sampling tube, tenax TA, markes unity

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Rinse bottles for programmable sample dispensers (PSD)

Supplier: VARIAN

Rinse bottles suitable for PSD 97/100/120.

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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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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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Amphiathic resin for solid phase peptide synthesis, AmphiSpheres™

Supplier: VARIAN

Strongly basic anion exchanger, Cl⁻ form. Moist, light yellow spherules.

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Vacuum manifolds, Vac Elut™ 20

Vacuum manifolds, Vac Elut™ 20

Supplier: VARIAN

The Vac Elut™ 20 vacuum control valve, vacuum gauge, and quick release valve are mounted on the lid, away from the corrosive waste stream and within convenient reach. The solvent-resistant PP rack is available in a variety of sizes to accommodate collection tubes commonly used in sample preparation.

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Particle traps for use with PLOT columns

Supplier: VARIAN

Though highly stabilised, it is impossible to guarantee that no particles will dislodge from the column wall. When used in valve-switching applications, the use of a particle trap can prevent scarring of the rotors.

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