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  • HYDRODEX cyclodextrin phases Capillary columns for GC enantiomer separation Features Base material: cyclic oligosaccharides consisting of seven (β-cyclodextrin) or eight (γ-cyclodextrin) glucose units bonded through α-1,4-linkages Regioselective derivatization…

  • Polymer-based HPLC phases for separation of sugars Features Sulfonated polystyrene / divinylbenzene resins in different ionic forms Due to a different selectivity pattern compared to NUCLEOGEL® SUGAR columns, the range of application is considerably enlarged Separation mechanism…

  • NUCLEOGEL® RP Polymer-based reversed phase HPLC phases, USP L21 Properties / Key Features Polystyrene resin cross-linked with divinylbenzene Higher background hydrophobicity compared to silica phases Available particle sizes 5 μm and 8 μm; pore sizes 100 Å and 300…

  • CHROMABOND® QuEChERS

    MACHEREY-NAGEL

    Special products for determination of pesticides in food samples QuEChERS method and pre-mixes Within a few years after its development by Anastassiades et al. the QuEChERS method has gained a leading position for the determination of pesticide residues in food samples by GC-MS or LC-MS,…

  • For individual packing of SPE columns with CHROMABOND® adsorbents.

  • RESOLVOSIL BSA-7 Silica-based protein phase for HPLC enantiomer separation Features Base material NUCLEOSIL® silica, particle size 7 µm, pore size 300 Å Chiral selector bovine serum albumin (BSA) · USP L75 Separation based on selective interaction of…

  • NUCLEOSIL® is a family of totally porous spherical silicas with a very pure and uniform SiO2 structure Wide acceptance as routine packings for very different fields of chromatography One of the first spherical silicas used in HPLC Developed in the early seventies, it became a…

  • Features Filtration cartridges for sample clarification under vacuum (e.g., using the CHROMABOND® vacuum manifold or SPE automation systems like Gilson Aspec™, Rapidtrace) or by gravity Cartridge sizes 3 mL and 6 mL Different membranes: PET (polyester); RC (regenerated…

  • VarioPrep (VP) columns for preparative HPLC Features Column system for preparative HPLC manufactured from stainless steel with two adjustable end fittings, e.g., for frequent use of backflushing techniques Allows compensation of a dead volume, which could result at the column inlet…

  • CHROMABOND® C18

    MACHEREY-NAGEL

    Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

  • NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

  • LIPODEX® cyclodextrin phases Capillary columns for GC enantiomer separation Features Base material: cyclic oligosaccharides consisting of six (α-cyclodextrin), seven (β-cyclodextrin) or eight (γ-cyclodextrin) glucose units bonded through α-1,4-linkages …

  • NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

  • CHROMABOND® SA

    MACHEREY-NAGEL

    Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

  • OPTIMA® 624 Capillary columns for GC Features 6 % cyanopropyl-phenyl – 94 % dimethylpolysiloxane USP G43 Medium polar phase Recommended for environmental analyses For corresponding columns with lower film thickness see OPTIMA® 1301 Similar phases: HP-624,…

  • Flash glass columns

    MACHEREY-NAGEL

    Glass columns and kits for low pressure flash chromatography Economic low-tech method for the synthesis laboratory Suited for the separation of compounds up to gram levels No expensive equipment required MN flash chromatography kits include a glass column, eluent reservoir, silica…

  • Combination phase for SPE of hydrocarbons from water acc. to DIN H53 / ISO DIS 9377-4 Features Special combination phase of sodium sulfate and Florisil® Recommended application: hydrocarbons from drinking, surface and waste waters

  • Ideal for Flash separations from 10 mg up to 33 g Features For convenient operation and reliable upscaling the complete program of ready-to-use Flash cartridges for the Isco Companion® and other Teledyne Isco CombiFlash® systems, or as stand-alone version for all…

  • CHROMAFIX® Dry (Na2SO4)

    MACHEREY-NAGEL

    Special phase for drying organic samples Features Anhydrous high-purity sodium sulfate which forms Glauber’s salt with traces of water – For removal of larger quantities of water several cartridges can be combined in series. Recommended application: removal of traces of…

  • Recommended application: Preparation of capillary columns As precolumns, whenever a larger contamination capacity is required Different deactivations are available: Methyl-Sil deactivated Phenyl-Sil deactivated CW deactivated

  • NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

  • NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

  • VarioPrep (VP) columns for preparative HPLC Features Column system for preparative HPLC manufactured from stainless steel with two adjustable end fittings, e.g., for frequent use of backflushing techniques Allows compensation of a dead volume, which could result at the column inlet…

  • CHROMABOND® HR-X

    MACHEREY-NAGEL

    Spherical, hydrophobic polystyrene-divinylbenzene resin for SPE Features Hydrophobic polystyrene-divinylbenzene copolymer pH stability 1–14 High-purity material with highest reproducibility and lowest blank values due to an optimized manufacturing process Spherical particles…

  • CHROMABOND® CN/SiOH

    MACHEREY-NAGEL

    Combination phase for SPE analysis of PAH Features Special combination phase cyanopropyl phase for selective adsorption of polycyclic aromatics via π-π interactions unmodified silica phase for removal of polar compounds Recommended applications: extraction of 16 PAHs…

  • NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

  • Special phase for SPE analysis of acrylamide in food Features Octadecyl silica phase with ion exchange functions for acrylamide analysis Recommended application: clean-up of acrylamide from ultra-heated starch-containing food, such as potato chips and other snacks, french fries,…

  • OPTIMA® 1701 Capillary columns for GC Features 14 % cyanopropyl-phenyl – 86 % dimethylpolysiloxane · USP G46 Medium polar phase Special selectivity due to high cyanopropyl content Reference column for structure identification, e.g., in combination with…

  • OPTIMA® 5 HT GC capillary columns with highest temperature stability Features Chemically bonded, cross-linked silarylene phase, polarity index according to 5 % phenyl – 95 % methylpolysiloxane · USP G27 / G36 Low bleed column, nonpolar phase, ideal for MS detectors,…

  • CHROMABOND® HLB

    MACHEREY-NAGEL

    Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene resin for SPE Features Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene copolymer pH stability 1–14 Spherical particles 30 μm or 60 μm (standard) Pore size 65 Å Specific surface…

  • Polymer-based HPLC phases for separation of sugars Separation mechanism includes steric exclusion, ligand exchange and partition effects, ligand exchange being the predominant force, since the hydrated metal ions form strong interactions with the hydroxyl groups of the sample molecules. …

  • NUCLEOSHELL® core-shell silica phases for HPLC NUCLEOSHELL® Core-shell technology provides Better resolution at lower back pressure and shorter retention time Solid core of silicon dioxide Homogeneous shell of porous silica Highest efficiency compared to traditional…

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