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  • Rxi®-5Sil MS Columns

    Restek

    Rxi® fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column characteristics assures Rxi® columns…

  • Straight/SPME Inlet Liners for Agilent GCs

    Restek

    For Agilent GCs equipped with split/splitless inlets Geometry: Straight/SPME Liner ID: 0.75 mm Length: 78.5 mm OD: 6.35 mm Deactivation: Intermediate Polarity (IP) Material: Borosilicate Glass

  • Ultra Aromax Columns

    Restek

    Particle size: 3 μm or 5 μm, spherical Pore size: 100 Å Carbon load: 17% End-cap: yes pH range: 2.5 to 8 Temperature limit: 80 °C USP phase code: L11 Phase category: phenyl Ligand type: proprietary phenyl ligand

  • Rxi®-5ms Columns

    Restek

    Low-polarity phase; Crossbond® diphenyl dimethyl polysiloxane General-purpose columns for semivolatiles, phenols, amines, residual solvents, drugs of abuse, pesticides, PCB congeners (e.g., Aroclor mixes), solvent impurities Most inert column on the market Tested and guaranteed…

  • Innovative Integra-Guard® Columns

    Restek

    Get the protection without the connection! These innovative columns incorporate both guard column and analytical column in a continuous length of tubing, eliminating the connection and all connection-associated problems! The guard column section is marked separately from the analytical…

  • Rtx®-1 Columns

    Restek

    Nonpolar phase; Crossbond® dimethyl polysiloxane General-purpose columns for solvent impurities, PCB congeners (e.g. Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides,…

  • Q-sep QuEChERS Extraction Salts

    Restek

    Fast, Simple Sample Prep for Multiresidue Pesticide Analysis QuEChERS methods are fast, easy, and cost-effective, and Restek Q-sep products make QuEChERS procedures even simpler. All extraction salts, sorbents, and sample tubes are included—no specialized equipment or glassware is…

  • Raptor™ C18 LC Columns

    Restek

    When you need a general-purpose LC column, don't just grab any C18. Choose the speed, efficiency, and long-lasting ruggedness of the Raptor™ C18. This traditional end-capped C18 offers the highest hydrophobic retention of any Raptor™ phase, and it is compatible with a wide range of…

  • Resprep® EPH Fractionation SPE Cartridges

    Restek

    These cartridges have been specifically designed to provide consistent and reproducible results for the clean-up and fractionation of hexane-extractable petroleum hydrocarbons from soil and waste samples. Specially treated to reduce contaminants and increase capacity. Silica packing.

  • Ultra Quat Columns

    Restek

    A retentive, high-purity, base-deactivated, reversed-phase packing. Ideal for the analysis of paraquat and diquat or other quaternary amines.

  • Rtx®-225 Columns

    Restek

    The cyanopropyl-containing Rtx®-225 phase is slightly less polar than bonded polyethylene glycol (PEG) phases, but it can be used for many of the same applications. Improvements to the Rtx®-225 polymer have increased thermal stability, reduced bleed, and improved inertness. The…

  • Rtx-200 GC Columns

    Restek

    midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane General-purpose columns for solvents, Freon fluorocarbons, alcohols, ketones, silanes, glycols, and drugs of abuse. Excellent confirmation column with an Rtx-5 column for phenols, nitrosamines, organochlorine pesticides,…

  • Rtx®-OPPesticides2 Columns

    Restek

    Using sophisticated computer modeling software, we created two stationary phases for separating the 53 organophosphorus pesticides (OPP) listed in EPA Method 8141. Separation is improved and analysis time is significantly reduced, compared to other columns. The extended upper temperature limit of…

  • Stabilwax® Columns

    Restek

  • Mini Wool Puller/Inserter

    Restek

    Insert and remove wool plugs easily. Order a spare pack so you’ll always have one available.

  • Rtx®-DHA Columns

    Restek

    Gasolines are complex mixtures of hundreds of compounds. Information about concentrations of the individual components is important for evaluating raw materials and for controlling refinery processes. ASTM D6730-01 outlines a high-resolution GC method for detailed hydrocarbon analysis (DHA) of…

  • Stx®-CLPesticides Columns

    Restek

    Many laboratories analyzing organochlorine pesticides struggle with breakdown and adsorption of endrin, DDT, and methoxychlor caused by active sites throughout the analytical system. Siltek® passivation technology enables these columns to offer unsurpassed inertness and the highest responses…

  • MXT®-5 Columns

    Restek

    The diphenyl dimethyl polysiloxane stationary phase is the most popular GC stationary phase and is used in a wide variety of applications. All residual catalysts and low molecular weight fragments are removed from the MXT®-5 polymer, providing a tight monomodal distribution and extremely low…

  • Rxi®-624Sil MS Columns

    Restek

    Midpolarity Crossbond® phase Low-bleed, high-thermal stability column—maximum temperatures up to 320°C Inert—excellent peak shape for a wide range of compounds Selective—G43 phase highly selective for volatile organics and residual solvents, great choice for…

  • Rtx®-OPPesticides Columns

    Restek

    Using sophisticated computer modeling software, we created two stationary phases for separating the 53 organophosphorus pesticides (OPP) listed in EPA Method 8141. Separation is improved and analysis time is significantly reduced, compared to other columns. The extended upper temperature limit of…

  • MXT®-500 SimDist Column

    Restek

    Manufactured from Siltek® treated stainless steel tubing, MXT® columns are the most durable high temperature GC columns available. As outlined in ASTM Method D6352, high temperature simulated distillation requires a column that can withstand temperatures to 430 °C. MXT®-1HT SimDist…

  • Rxi®-1ms Columns

    Restek

    Nonpolar phase; Crossbond® dimethyl polysiloxane General-purpose columns for arson accelerants, essential oils, hydrocarbons, pesticides, PCB congeners (e.g., Aroclor mixes), sulfur compounds, amines, solvent impurities, simulated distillation, oxygenates, gasoline range organics (GRO),…

  • Rtx®-1701 Columns

    Restek

    Rtx®-1701 is one of the more popular stationary phases used in capillary GC. The mix of cyano and phenyl functional groups increases the polarity and offers a different elution order relative to less polar Rtx®-1 or Rtx®-5 columns. An Rtx®-1701 column is ideal for confirmation…

  • Allure® AK Columns

    Restek

    This highly retentive, highly selective phase—unique to Restek—was developed specifically for the analysis of aldehydes and ketones as DNPH derivatives. Allure® AK is a reversed-phase HPLC material that has the unique ability to separate all 13 carbonyl compounds specified in…

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