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MACHEREY-NAGEL Gas Chromatography

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  • Silica adsorbents for column chromatography

    MACHEREY-NAGEL

    Silica adsorbents for column chromatography Features Standard silica 60 , pore size ~ 60 Å Pore volume ~ 0.75 mL/g Highly porous, amorphous silicic acid in the form of hard, opalescent particles, prepared by precipitation of water glass with sulfuric acid For higher demands…

  • Cellulose adsorbents for column chromatography

    MACHEREY-NAGEL

    Cellulose adsorbents for column chromatography Features Cellulose MN 100: native fibrous cellulose Standard grade Average degree of polymerization 620–680 Fiber length (85 %) 20–100 μm Specific surface acc. to Blaine ~ 6500 cm2/g Residue on ignition < 10000…

  • Polyamide adsorbent for TLC

    MACHEREY-NAGEL

    Polyamide adsorbent for TLC Polyamide 6 = nylon 6 = perlon = ε-polycaprolactam

  • Fluorescent indicators for TLC

    MACHEREY-NAGEL

    Fluorescent indicators for TLC UV indicators with efficient radiation for short-wave as well as long-wave UV ranges UV254: manganese activated zinc silicate with absorption maximum at 254 nm; green fluorescence; relatively susceptible towards acids; thus its fluorescence can be completely…

  • Aluminium oxide adsorbents for column chromatography

    MACHEREY-NAGEL

    Features Aluminium oxides (Alox) produced by dehydration of different aluminium hydroxides, e.g., hydrargillite between 400 and 500 °C Activity grade I Particle size 50–200 μm Specific surface (BET) ~ 130 m2/g Available in neutral, basic, acidic

  • Ferrules for GC

    MACHEREY-NAGEL

    Graphite ferrules provide the highest temperature stability (up to 450 °C). They are reusable when handled with care. We also offer 1/16" graphite ferrules specially designed for Carlo Erba / Fisons or for Agilent gas chromatographs. Vespel ferrules with 40 % graphite. Temperature…

  • Cellulose adsorbents for TLC

    MACHEREY-NAGEL

    Cellulose MN 301: native fibrous cellulose, standard grade, fiber length (95 %) 2–20 μm, average degree of polymerization 400–500, specific surface acc. to Blaine 15000 cm2/g ≤ 20 ppm Fe, 6 ppm Cu, 7 ppm P, CH2Cl2 extract ≤ 0,25 %, residue on ignition at 850 °C ≤ 1500 ppm

  • TLC Micro Set F1

    MACHEREY-NAGEL

    This kit contains all chemicals required for the separation of: Amino acids (test mixture, consisting of alanine, arginine, tryptophan and valine) Amino acids in urine Heavy metal cations copper(II) and manganese(II) For the separations with kit F1, the materials kit TLC micro-set…

  • Tools and general accessories for GC

    MACHEREY-NAGEL

    Diamond file: a useful tool for cutting capillaries and smoothing ends of capillaries. Square capillary ends without protruding particles are especially important for butt connections (e.g., in Valco unions). Magnifying lens: a very versatile tool for any laboratory. In capillary GC it is…

  • Florisil® adsorbent for column chromatography

    MACHEREY-NAGEL

    Florisil® adsorbent for column chromatography Features Hard granular magnesia silica gel: MgO 15.5 ± 0.5 % · SiO2 84.0 ± 0.5 % · Na2SO4 ≤ 1.0 % 60/100 mesh Typical application: sample preparation (SPE); clean-up of pesticide residues, separation of chlorinated…

  • Kieselguhr adsorbents for column chromatography

    MACHEREY-NAGEL

    Kieselguhr adsorbents for column chromatography Features Naturally occurring amorphous silicic acids of fossil origin, also known as diatomaceous earth or diatomite; purified for chromatographic applications Compared to silica, kieselguhr has a small surface of low activity →…

  • TLC Micro Set A

    MACHEREY-NAGEL

    This kit contains all chemicals and accessories for the following experiments: Separation of a mixture of fat-soluble / lipophilic dyes (test dye mixture 1): butter yellow, indophenol, sudan blue II, sudan red G Separation of a mixture of anthraquinone dyes (test dye mixture 2): blue 1,…

  • Connectors for GC capillary columns

    MACHEREY-NAGEL

    Graphseal ferrules for capillaries: stainless steel ferrules filled with graphite – the ideal sealing material for capillaries The capillary is mounted on a 1/16" exit (detector, injector etc.) with the appropriate ferrule, a nut (with slit) and an adapter. Glass connectors for…

  • TLC Micro Set F2

    MACHEREY-NAGEL

    This kit contains all chemicals required for the analysis of: Edible fats Fats and cholesterol in blood For the separations with kit F2, the materials kit TLC micro-set M is prerequisite.

  • Polyamide adsorbents for column chromatography

    MACHEREY-NAGEL

    Polyamide adsorbents for column chromatography Features Polyamide 6 = ε-polycaprolactam Separation mechanism mainly based on hydrogen bonds Available in different particle sizes Recommended application: separation of phenolic compounds (e.g., isolation of natural…

  • Silica adsorbents for TLC

    MACHEREY-NAGEL

    Silica adsorbents for TLC Pore size 60 Å Pore volume 0.75 mL/g pH 7.0 (10 % aqueous suspension) Silica G Standard grade Particle size 2–20 μm Fe < 0.02 %, Cl < 0.02 % 13 % gypsum as binder Supplied with or without fluorescence indicator…

  • TLC Micro Set F3

    MACHEREY-NAGEL

    This kit contains all chemicals required for: Separation of analgetics (pain relievers) Drug analysis as shown for cinchona bark For the separations with kit F3, the materials kit TLC micro-set M is prerequisite.

  • TLC Micro Set M

    MACHEREY-NAGEL

    Materials kit for scientific education This kit is prerequisite for the separations with kits F1, F2 and F3. In addition, it serves as basic equipment for the individual study of further thin layer chromatographic experiments.

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