You searched for: 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.
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®
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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Resin, H-Arg(Pbf)-HMPB NovaPEG, Novabiochem®
Supplier: Novabiochem (Part of Merck)
H-Arg(Pbf)-HMPB NovaPEG resin, 0.20 - 0.60 mmol/g, 1 g
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Fmoc-cys(Trt)-NovaSyn® TGA, Novabiochem®
Supplier: Novabiochem (Part of Merck)
The base resin is PEG-PS-copolymer (90 µm), functionalised with 4-hydroxy-methylpenoxyacetic acid.
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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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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.