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19 results for SPE Sorbents

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SPE Sorbents

During solid phase extraction chromatography, components are separated based on physical and chemical properties. The separation effectiveness is primarily based on choosing the correct SPE sorbents to have maximum retention. Normal phase and reversed phase procedures require SPE sorbents to have a strong polarity so that non-polar compounds will pass through a cartridge or absorb to the surface. Capable of working with automatic equipment for faster results, SPE sorbents improve recovery and precision in separations.

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J.T.Baker® BAKERBOND®, Florisil Bulk Packing Material

Supplier: Avantor

SPE sorbent for clean-up columns. Suitable for the determination of Hydrocarbon Oil Index according ISO 9377-2 and NEN 5733.

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Photoreactive cross linkers

Supplier: G-Biosciences

These cross-linking agents contain at least two reactive groups that are reactive towards numerous groups, including sulphydryls, amines and carbohydrates, and create chemical covalent bonds between two or more molecules. Functional groups that can be targeted with cross-linking agents are primary amines, carboxyls, sulfhydryls, carbohydrates and carboxylic acids. Protein molecules have many of these functional groups and therefore proteins and peptides can be readily conjugated using cross-linking agents.

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SPE sorbents, CHROMABOND®

SPE sorbents, CHROMABOND®

Supplier: MACHEREY-NAGEL

The high purity CHROMABOND® adsorbents can be used for a self-filling of SPE columns or further analytical applications.

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Bulk material, Hydromatrix™

Supplier: VARIAN

SLE products use a broad-performance, inert diatomaceous earth sorbent for rapid, general sample preparation.

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Resin, PL-FMPB, StratoSpheres™

Supplier: VARIAN

PL-FMPB resin, 1% DVB, 1,4 mmol/g, 150 - 300 μm, 1 kg

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Resin, PL-Rink, StratoSpheres™

Supplier: VARIAN

PL-Rink resin, 1% DVB, 0,3 mmol/g, 75 - 150 μm, 100 g

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Resin, PL-HCO₃, StratoSpheres™

Supplier: VARIAN

PL-HCO₃ MP resin, 1,8 mmol/g, 100 Å, 150 - 300 μm, 1 kg

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Resins, StratoSpheres™

Supplier: VARIAN

PL-Thiol MP SPE, 500 mg/6 mL

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Bulk adsorbents, Ottawa sand

Bulk adsorbents, Ottawa sand

Supplier: Restek

Ottawa sand is listed in several U.S. EPA methods as the specified medium for matrix spike and laboratory control blanks.

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SPE bulk sorbents, Bondesil™

Supplier: VARIAN

Bondesil™ Al-N bulk sorbent

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Resin, PL-AMS, StratoSpheres™

Supplier: VARIAN

Aminomethylstyrene resin is a particularly versatile material suitable for the attachment of a variety of spacers, handles and linkers (for use in solid phase synthesis).

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Resin, PL-CMS, StratoSpheres™

Supplier: VARIAN

Chloromethylpolystyrene known as merrifield resin, PL-CMS is a copolymer support for solid phase synthesis of peptides using Boc chemistry.

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Bulk adsorbents, Florisil® PR

Bulk adsorbents, Florisil® PR

Supplier: Restek

Florisil® PR is commonly used to remove polar interferences from pesticide residues. This bulk material is ideal for labs packing their own extraction cartridges for pesticide residue extractions.

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Bulk adsorbents, sodium sulfate

Bulk adsorbents, sodium sulfate

Supplier: Restek

Anhydrous sodium sulphate is the most common drying agent used to remove moisture from sample extracts. Activate by heating to 400 °C for four hours before use.

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Ion exchange SPE, StratoSpheres™

Supplier: VARIAN

This macroporous polystyrene product has a much higher loading compared to conventional functionalised silica SPE media and is compatible with all polar and non-polar, protic and aprotic solvents.

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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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Diatomaceous earth sorbents

Diatomaceous earth sorbents

Supplier: Restek

Diatomaceous earth is used as a filter aid to improve extraction efficiency of densely packed soils, such as clays. By mixing the sample with diatomaceous earth, recoveries can be improved and excess moisture can be absorbed.

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Resin, PL Cl-Trt-Cl, StratoSpheres™

Supplier: VARIAN

PL Cl-Trt-Cl supports peptide synthesis using the Fmoc approach. This resin can be used for the synthesis of a wide range of organic acids, and has also been used for the synthesis of amines, phenols and other alcohols.

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Resin, PL-Wang, StratoSpheres™

Supplier: VARIAN

PL-Wang is a 4-alkoxybenzylalcohol functionalised polystyrene, prepared from copolymerised PL-CMS, for solid phase peptide synthesis using Fmoc protection strategies and is cleaved using ~ 95% TFA. Particularly useful for solid phase synthesis of small molecules which have a carboxylic acid functional group.

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