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8261 resultater for "Restek"

"Restek"

8261 Resultater
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Replacement needle and plunger kits for micro-volume syringes

Replacement needle and plunger kits for micro-volume syringes

Supplier: Restek

These plunger-in-needle kits are used with micro-volume, positive displacement syringes. Plunger and needle must be replaced together.

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Guard/retention gap columns, base-deactivated (fused silica)

Supplier: Restek

Recommended for use with Rtx®-5 Amine, Rtx®-35 Amine, Rtx®-Volatile Amine, and Stabilwax®-DB capillary columns.

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Rethreading tool

Rethreading tool

Supplier: Restek

These rethreading tools are suitable for repairing worn or damaged threads that come as a result of consistent use and temperature changes.

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Dual Vespel® ring inlet seals

Dual Vespel® ring inlet seals

Supplier: Restek

A ring inlet seal greatly improves injection port performance as it stays sealed even after repeated temperature cycles, without retightening the reducing nut. This seal features two soft Vespel® rings, one embedded in its top surface and the other embedded in its bottom surface. These rings eliminate the need for a washer and ensure very little torque is needed to make a leak-tight seal.

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Preparative HPLC columns, Ultra IBD

Preparative HPLC columns, Ultra IBD

Supplier: Restek

Ultra IBD is a polar-embedded column that acts as a strong hydrogen bonder and may be the most versatile column available today. It is compatible with 100% aqueous mobile phases and can be used under reversed-phase or HILIC conditions to retain very polar, ionic compounds in highly organic mobile phases.

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Guard/retention gap columns, polar-deactivated (fused silica)

Supplier: Restek

Polyethylene glycol deactivation layer provides optimum wettability for polar compounds.

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Capillary columns, Rtx®-440 (fused silica)

Capillary columns, Rtx®-440 (fused silica)

Supplier: Restek

These general purpose capillary columns with unique selectivity for pesticides, PAHs, or other semivolatiles are ideal for low/trace-level analyses.

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Gas management system

Gas management system

Supplier: Restek

This gas management system removes moisture, hydrocarbons, and oxygen from carrier gas, extending column lifetime.

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Organic reference standard, Phenol 1,000 µg/ml in methanol

Supplier: Restek

Organic Standard, Phenol 1,000 µg/ml in methanol, Pack type: Glass ampoule

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Organic reference standard, Pentachloroethane 2,000 µg/ml in methanol

Supplier: Restek

Organic Standard, Pentachloroethane 2,000 µg/ml in methanol, Pack type: Glass ampoule

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Herbicide reference standard, Metolachlor ESA sodium salt

Herbicide reference standard, Metolachlor ESA sodium salt

Supplier: Restek

Organic Standard, Metolachlor ESA sodium salt, Pack type: 1 ml/ampoule

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CLP 04.1 B/N matrix spike mix (4 components)

CLP 04.1 B/N matrix spike mix (4 components)

Supplier: Restek

The mix consists of acenaphthene, 2,4-dinitrotoluene, N-nitroso-di-n-propylamine, pyrene.

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Preparative HPLC columns, Ultra Biphenyl

Preparative HPLC columns, Ultra Biphenyl

Supplier: Restek

These biphenyl columns offer a greater degree of dispersion than conventional phenyls and a greater degree of polarizability than phenyl hexyls, creating higher selectivity and a greater range of usability. Because of these heightened interactions, this column shows substantial increases in retention—especially for dipolar, unsaturated, or conjugated solutes—and enhanced orthogonal selectivity when using methanol mobile phases.

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Molecular sieve columns (packed)

Molecular sieve columns (packed)

Supplier: Restek

Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures.

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Organic reference standard, 1,1-Dichloroethylene 2000 µg/ml in methanol

Supplier: Restek

Organic Standard, 1,1-Dichloroethylene 2,000 µg/ml in methanol, Pack type: Glass ampoule

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Claw and claw holder kit

Claw and claw holder kit

Supplier: Restek

This claw safely and cleanly removes liners, O-rings, or other small objects from the injection port.

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