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  • Liquid chromatography columns Luer Lock, Non-jacketed, bed volume 8 mL, I.D. × L…

    Sigma-Aldrich

    All of the columns listed below are constructed of borosilicate glass. Four different fixed bed length configurations are available: Luer Lock, non-jacketed: constructed with fixed polypropylene end caps, polyethylene bed supports, and Luer Lock inlet and outlet fittings. The Luer Lock…

  • Partisil™ Si HPLC Column

    Sigma-Aldrich

    Synonym: Partisil™ HPLC Column eCl@ss 32110501

  • SPB®-1 Capillary GC Column

    Sigma-Aldrich

    Application This column is often used for traditional general purpose applications, where a non-polar column is required. Analytes will be separated primarily according to boiling point. USP Code: This column meets USP G1, G2, and G9 requirements. Phase: Bonded …

  • Ascentis® Express C18, 2.7 Micron HPLC Column 2.7 µm particle size, L × I.D. 7.5…

    Sigma-Aldrich

    General Description Ascentis Express HPLC columns, through the use of Fused-Core® particle technology, can provide you with both the high speed and high efficiencies of sub-2 μm particles while maintaining lower backpressures. The combination of high efficiency and low backpressure…

  • Ascentis® ES-Cyano HPLC Column 5 µm particle size, L × I.D. 15 cm × 4.6 mm

    Sigma-Aldrich

    Features and Benefits Enhanced stability at low pH Operates in reversed-phase, HILIC, and normal phase modes of chromatography Low MS bleed 100% aqueous compatible Available as 3 μm and 5 μm particles Particle composition: Type B silica gel Particle shape: Spherical…

  • Supelclean™ ENVI-Carb™ SPE Tube

    Sigma-Aldrich

    General Description Graphitized Non-Porous Carbon Retention Mechanism: Reversed-phase Sample Matrix Compatibility: Aqueous solutions (drinking, ground, waste water) Surface area: 100m 2 /g; Particle Sz.:120/400 mesh Extreme affinity for organic polar and non-polar…

  • SUPELCOSIL™ LC-18 HPLC Column

    Sigma-Aldrich

    eCl@ss 32110501 General Description A general purpose hydrophobic alkyl phase that is very retentive and gives good peak shape for a wide variety of compounds. Legal Information SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC

  • Discovery® RP-AmideC16 HPLC Column 5 µm particle size, L × I.D. 25 cm × 4.6 mm

    Sigma-Aldrich

    eCl@ss 32110501 Features and Benefits Excellent retention and resolution of polar compounds Unique selectivity compared to C18 Excellent peak shape and efficiency Less hydrophobic than C18 columns Compatible with 100% aqueous mobile phases Legal Information …

  • SUPELCOSIL™ LC-SCX HPLC Column

    Sigma-Aldrich

    Synonym: SCX column eCl@ss 32110501 General Description The LC-SCX cation-exchange columns have strongly acidic propylsulfonic acid groups and are used for separating cations. Adjust pH, ionic strength, and organic modifier concentration to control retention and selectivity. …

  • Supelclean™ ENVI-Carb™ Plus SPE Tube

    Sigma-Aldrich

    Spherical Carbon Particles (Carbon Molecular Sieve) Composition: bed wt., 400 mg Volume: 1 mL Matrix: Amorphous Carbon Molecular Sieve (CMS) Polymer Carbon or Graphitized Polymer Carbon (GPCs) Pore size: 0.782 mL/g pore volume / 27.2 Å pore size Surface…

  • Polyethylene (PE) Frit, 20 µm porosity for use with 6mL SPE Tube, pk of 60

    Sigma-Aldrich

    Description: for SPE Tube Packaging: pk of 60 Pore Size: 20 μm Compatibility: for use with 6mL SPE Tube

  • SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS)

    Sigma-Aldrich

    Designed for use with Merlin Microseal sealing system; can be used with other septumless systems. Coating bonded to a flexible fused silica core, yielding a more suitable coating on a less breakable fiber. There may be a slight difference in extraction selectivity compared to the same coating…

  • Metal Packed GC Column (fits Agilent, Configuration "A")

    Sigma-Aldrich

    An economical metal column should be used for less demanding applications where the inertness of glass is not required. This column fits Agilent 5880, 5890, 6890, 7820, and 7890 (configuration A, on-column injection, all detectors except TCD). In packed columns, the carrier gas percolates…

  • Discovery® C8 HPLC Column

    Sigma-Aldrich

    eCl@ss: 32110501 Features and Benefits Excellent reproducibility Faster separation of strongly hydrophobic analytes than C18 columns Stable, low-bleed LC-MS separations Exceptional peak shapes for basic and acidic compounds Compatible with low organic/highly aqueous…

  • SUPELCOSIL™ LC-NH2 HPLC Column

    Sigma-Aldrich

    EC Number: 276-161-8 eCl@ss 32110501 General Description The amino column is most often employed for the separation of mono- and disaccharides. As a normal-phase application, amino columns are used in the petroleum industry. Legal Information SUPELCOSIL is a trademark of…

  • Polyethylene (PE) Frit, 20 µm porosity for use with 1mL SPE Tube

    Sigma-Aldrich

    Packaging: ~ pk of 216 Pore Size: 20 μm Compatibility: for use with 1mL SPE Tube

  • TSKgel® G4000SWXL HPLC Column

    Sigma-Aldrich

    Widely considered the premium columns for analyzing biopolymers by GFC, TSKgel SWXL columns feature high pore volume per unit column volume, low sample adsorption and excellent column efficiency, all contributing to unsurpassed sample resolution. With 8μm particles and 450Å…

  • Ascentis® Si HPLC Column

    Sigma-Aldrich

    General Description The Ascentis family of columns is the fourth generation of HPLC column technology from Supelco scientists. Ascentis columns are bonded on high purity, 100 Angstrom silica including 3, 5, and 10 micron particle size. Columns are designed for small molecule applications and are…

  • SUPELCOSIL™ LC-ABZ HPLC Column

    Sigma-Aldrich

    EC Number: 231-545-4 eCl@ss: 32110501 Features and Benefits For acids, bases, zwitterions Increased polar retention relative to standard reversed-phases Unique selectivity Silanol deactivation Peak shape, efficiency, and retention are comparable to C8 phases for…

  • SP™-2380 Capillary GC Column L × I.D. 30 m × 0.25 mm, df 0.20 µm

    Sigma-Aldrich

    Application A highly polar cyanosiloxane column commonly used for separation of geometric (cis/trans) fatty acid methyl ester (FAME) isomers as a group. Also useful when a highly polar general purpose column with good thermal stability is required. USP Code: This column meets USP G48…

  • Discovery® Zr-SAX HPLC Column

    Sigma-Aldrich

    eCl@ss 32110501 Features and Benefits Efficient strong anion-exchanger useful for inorganic and organic anions. Stable from pH 1-12. Ideal for the separation of water-soluble vitamins. Useful for the separation of bio-molecules such as nucleotides, nucleosides,…

  • Ascentis® Express C18, 5 Micron HPLC Column

    Sigma-Aldrich

    eCl@ss 32110501 General Description Ascentis® Express 5 μm C18 is a high-speed, high-performance liquid chromatography column based on the highly efficient Fused-Core® particle design. The Fused-Core® particle provides a thin porous shell of high-purity silica surrounding…

  • SUPELCOSIL™ LC-18-DB HPLC Column 5 µm particle size, L × I.D. 25 cm × 4.6 mm

    Sigma-Aldrich

    eCl@ss: 32110501 SUPELCOSIL LC-DB phases are specially deactivated for basic compounds. These columns provide shorter retention, better peak shape, and higher efficiency for organic bases than can be obtained on other Type A silica reversed-phase columns. Legal Information …

  • Supeltex® M-2A Packed Column Ferrule, 1/4 in. Column O.D.

    Sigma-Aldrich

    I.D. 1/4 in., 1/4 in. O.D. Column Characteristics: Seals at 1/4 turn past fingertight. High reusability. Won't stick to metal or glass. Material Composition: DuPont VESPEL SP-21 (85% polyimide, 15% graphite) Maximum Temperature: 400 °C Legal Information Supeltex is a registered…

  • Petrocol® DH 150 Capillary GC Column

    Sigma-Aldrich

    eCl@ss 32119290 Application This long capillary column is designed for detailed purity analyses of light hydrocarbon gases and petroleum products (oxygenates, solvents, naphthas, gasolines, etc.). USP Code This column meets USP G1, G2, and G9 requirements. Phase …

  • Supeltex® M-2A Capillary Ferrule, General Purpose

    Sigma-Aldrich

    I.D. 0.4 mm, 0.10-0.25 mm Column I.D. Characteristics: Seals at 1/4 turn past fingertight. High reusability. Won't stick to metal or glass. Material Composition: DuPont VESPEL SP-21 (85% polyimide, 15% graphite) Maximum Temperature: 400 °C Legal Information Supeltex is a…

  • SUPELCOSIL™ LC-SCX Supelguard™ Cartridge

    Sigma-Aldrich

    eCl@ss 32110501 Legal Information SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC Supelguard is a trademark of Sigma-Aldrich Co. LLC

  • TSKgel® SW Type Guard Column phase diol, L × I.D. 7.5 cm × 7.5 mm, 10 µm…

    Sigma-Aldrich

    Synonym: TSKgel® Size Exclusion (SW-Type) HPLC Guard Column General Description Guard Column for 7.5mmID TSKgel G2000SW, G3000SW and G4000SW columns TSKgel Guard Columns are stand-alone and do not require separate holders. Physical Form Shipped in 0.05% NaN3 and 0.1 mol/L…

  • SP™-2560 Capillary GC Column, L × I.D. 100 m × 0.25 mm, df 0.20 µm

    Sigma-Aldrich

    Synonym: SP-2560, 100M.20UM.25MM Application This highly polar biscyanopropyl column was specifically designed for detailed separation of geometricpositional (cis/trans) isomers of fatty acid methyl esters (FAMEs). It is extremely effective for FAME isomer applications. USP Code : This…

  • SUPELCOSIL™ LC-8 HPLC Columns

    Sigma-Aldrich

    A phase less hydrophobic than C18. Provides less retention of both polar and non-polar compounds than C18. Use a mobile phase containing 5% less organic modifier for the C8 column than C18. Polar compounds are, relatively, more strongly retained on C8 than C18 columns. SUPELCOSIL is a…

  • Kromasil® C18 HPLC Columns

    Sigma-Aldrich

    Legal Information: Kromasil is a registered trademark of EKA Chemicals AB

  • SUPELCOSIL™ LC-DP HPLC Column 5 µm particle size, L × I.D. 25 cm × 4.6 mm

    Sigma-Aldrich

    Synonym: SUPELCOSIL™ LC-DP 5UM 25CMX4.6MM HPLC COLUMN eCl@ss 32110501 General Description Contains a diphenyl bonded phase, which gives greater selectivity for aromatic groups compared to alkyl-type bonded phases. Legal Information SUPELCOSIL is a trademark of…

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