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  • 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…

  • Ready-to-use, pre-assembled vial-insert combination with screw neck N 9 Another convenient option to firmly integrated inserts in glass or plastic vials Avoids tricky insertion of inserts into the vial and - along with it - possible risks of contamination

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • OPTIMA® 5 MS Accent Capillary columns for GC Features Silarylene phase with polarity similar to a 5 % diphenyl – 95 % dimethylpolysiloxane phase · USP G27, G36 Lowest column bleed, nonpolar phase, ideal for ion trap and quadrupole MS detectors Solvent rinsing for…

  • Cyantesmo Test Paper

    MACHEREY-NAGEL

    This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations. To detect cyanides in solution, a drop of concentrated sulfuric acid is…

  • Screw neck vials, N 15

    MACHEREY-NAGEL

    Screw neck vials for storage of liquid samples (8 mL, 12 mL, 16 mL, 24 mL) Normally used in combination with closed top screw caps Sample container available for the 8 and 12 mL screw neck storage vials For vials >= 20mL please also refer to screw neck vials N 24 with their appropriate…

  • Advanced ergonomic crimpers for 8 mm, 11 mm and 20 mm crimp caps More lightweighted than complete steel crimpers Ergonomically designed handles Adjustment by a knob on the crimping head that is easily accessible and visible Activated by bottom handle motion only which allows a…

  • GC capillary columns for determination of diethylene glycol Features Polyethylene glycol 20 000 (diethylene glycol tested) · USP G16 Recommended application: determination of diethylene glycol, e.g., for the quality control of wine Max. temperature for isothermal operation…

  • 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…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • Manual Hand Decapper

    MACHEREY-NAGEL

    Manual hand decapper (plier style, dual) Easy and economical manual decapper for two different cap sizes (N 11 and N 20) in plier style Suitable for aluminium and bi-metal caps, not for magnetic caps The use requires an unerring touchdown of the decapper Low weight Antislip handles

  • QUANTOFIX® Peroxide 25

    MACHEREY-NAGEL

    Quick and easy determination of peroxide This peroxide test strip is ideal to test low levels of peroxide in solutions. The easy dip-and-read procedure provides reliable results within 15 seconds. Hydrogen Peroxide (H2O2) is one of the most powerful oxidizers known.…

  • Broad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design not standardized; avoid mixture of vials and caps from…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • 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…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • Features Fiber length (95 %) 2–20 μm, average degree of polymerization 400–500 specific surface acc. to Blaine 15000 cm 2 /g ≤ 20 ppm Fe, 6 ppm Cu, 7 ppm P; dichloromethane extract ≤ 0.25% residue on ignition at 850°C ≤ 1500 ppm available as glass…

  • OPTIMA® 225 Capillary columns for GC Features 50 % cyanopropylmethyl – 50 % phenylmethylpolysiloxane · USP G7 / G19 Medium polar phase Recommended for fatty acid analyses Similar phases: DB-225, HP-225, OV-225, Rtx-225, CP-Sil 43, 007-225, BP225 Max.…

  • More convenient, consistent, and safer sealing process compared to crimping (better reproducibility) No risk of inaccurate or inconsistent crimping results 1.5 mm thick septa are easier to penetrate than crimp closures N 20 with 3 mm thick septa generating less particles during sample pick up…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • Features Base material: nano silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å, specific pore volume 0.75 mL/g particle size 2–10 μm pH stability 2–8 Indicator: acid-resistant product with a pale blue fluorescence for short-wave UV (254…

  • POLYGOPREP Irregular silica phases for liquid chromatography, SiOH, unmodified for normal phase application Features Irregular silica for preparative application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available mean particle sizes 12 µm,…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • OPTIMA® 5 Capillary columns for GC Features 5 % phenyl – 95 % methylpolysiloxane · USP G27, G36 Nonpolar standard phase with large range of application Low bleed columns with equal selectivity see OPTIMA® 5 MS, ultra low bleed columns see OPTIMA® 5 MS…

  • Features Nano silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å, specific pore volume 0.75 mL/g, particle size 2–10 µm Indicator: manganese activated zinc silicate with green fluorescence for short-wave UV (254 nm) Hard, water-resistant and wettable…

  • CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of…

  • 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…

  • 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 …

  • Purpose of derivatization Improved volatility, better thermal stability or a lower limit of detection in GC Prerequisite: quantitative, rapid and reproducible formation of only one derivative Halogen atoms introduced by derivatization (e.g., trifluoroacetates) for specific detection…

  • 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…

  • 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…

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