HPLC

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  • Opti-Cap GL-45 Bottle Tops

    Restek

    The most economical way to helium-sparge and deliver LC mobile phases. Opti-Cap tops fit all standard GL-45 bottles and have two 1/8" holes and one 1/16" hole for tubing. All three openings are designed for threaded PEEK plugs.

  • LC Stainless Steel Capillary Tubing

    Restek

    Whether you need to replace system tubing as part of your troubleshooting or want to reduce the dwell volume of your system as you move to narrower columns, Restek has the quality tubing in the lengths and IDs you need. Each ID is color coded, so it is easy to identify and replace correctly. Tubing…

  • Eco-Cap Bottle Top, ETFE

    Restek

    Fits all standard GL-45 bottles; has two 1/8-inch holes and one 1/16-inch hole for tubing. Holes are not threaded.

  • 1/4" HPLC Frits

    Restek

    We manufacture our frits from fine, chromatographic-grade 316 stainless steel, and we offer sizes to fit most column and pore sizes. To choose the correct frit, check its pore size compatibility with the particle size of the packing in the column. If the packing has a smaller particle size than the…

  • Hub-Cap Filter Kit

    Restek

    Kit includes: bottle adaptor, bottle adaptor nut, filter inlet cap, grid support, vacuum hose barb, tube compression fitting, 47 mm grid, 47 mm 0.22 µm filter membrane, 47 mm 0.45 µm filter membrane, 1/4" OD x 1/8" ID ultra chemical resistant, FEP-lined Tygon tubing (3'),…

  • HPLC PEEK Performance Kit

    Restek

    This HPLC PEEK Performance Kit is a useful complement to your HPLC system. Includes: Hub-Cap Adapter w/ Cap (1) Tubing Clips (3) Clean Cut Tubing Cutter (1) PEEK Finger Tight Fittings (5) PEEK Column Plugs (5) PEEK 90° Tubing Elbows (2) PEEK 180° Tubing Elbows…

  • Clean-Cut Tubing Cutter

    Restek

    Burr-free, perpendicular cuts that will not distort the tubing OD or close the ID Use on PEEK, PTFE, Tefzel, and other polymeric tubing

  • PEEK Union Connector

    Restek

    Quickly and reliably connect two pieces of 1/16" tubing. 0.3 mm union bore. End fittings included.

  • Universal Sealing Mats

    Restek

    Protect contents and prevent carryover with pre-slit cap mats Chemically resistant, silicone mats are excellent for compound storage to -80°C Pre-slit mats pierceable by autosampler needle, pipette tip, or probe Universal mat for sealing 0.45, 1.3, and 2.0 mL plates

  • Hub-Cap 4-Liter Bottle Tops

    Restek

    Hub-Cap bottle tops are a great way to neatly keep your mobile phase lines where they belong. Use them instead of plastic paraffin film, aluminum foil, or tape on your mobile phase reservoirs.

  • Membrane Filters

    Restek

  • PTFE Tubing

    Restek

    Ideal for mobile phase inlet lines Chemically inert Use to 500 psi (3,447 kPa) and 80°C

  • Column End-Fittings

    Restek

    These 1/4" compression end-fittings are compatible with 1/16" connecting tubing using Valco and Parker fittings. Fittings with distribution cone are intended for use on 3.0–4.6 mm ID HPLC columns Fittings with flat bottom are intended for use on 1.0–3.0 mm ID HPLC columns

  • Last Drop Filter

    Restek

    The flat filter element sits parallel to the bottom of the mobile phase reservoir, allowing the filter to draw 98% of the mobile phase without drawing air into the system. Conventional cylindrical mobile phase filters begin to draw air into the system when approximately 10% of the solvent remains…

  • Survival Kit for HPLC, PEEK

    Restek

    For start-up and maintenance in all HPLC systems. The PEEK Survival Kit is an invaluable parts kit that contains tubing, fittings, and tools essential for setting up and maintaining your HPLC system: PEEK tubing, connectors, and elbows, PTFE tubing, a tubing cutter and extra blades, a ValvTool…

  • Trident LC Column Protection System

    Restek

    Redesigned to be more rugged and easier to use! Match your needs with three levels of protection: filter only, cartridge only, or filter and cartridge Durable metal tip with replaceable PEEK ferrule means easy installation onto column without tools Improved thread design and materials…

  • Universal 10-32 PEEK Column Connectors and Plugs

    Restek

    Universal PEEK connectors allow easy installation of all 1/16" tubing, including stainless steel, up to 5,000 psi.

  • Mobile Phase Sparge Filters

    Restek

    The sparge filter is an inexpensive way to prepare and maintain mobile phases free of dissolved gas. Filters are made from 316 stainless steel and PEEK, and they are compatible with most solvents. Connects to standard 1/8" OD (3.2 mm) PTFE tubing.

  • Hub-Cap Adaptors

    Restek

    Allow the use of the Opti-Cap Top with 4-liter solvent bottles.

  • Bluestem Glass Solvent Filter

    Restek

    Prevent the particulates and microbial growth in your LC solvents from entering your instrument with the new Restek Bluestem glass solvent filter. Restek Bluestem glass solvent filter provides clean mobile phase to extend the life of columns and pump seals 15 µm borosilicate glass…

  • QuickSplit Post-Column Flow Splitters

    Restek

    Fluid resistor technology eliminates adjustments to capillary tubing for optimizing split ratio. Wide range of interchangeable resistors available. Fixed Flow Splitters for HPLC & LC-MS Split ratio not affected by changes in viscosity or pressure High operating pressure limit:…

  • Fittings and Ferrules for 1/8" Tubing

    Restek

  • LC Maintenance Kits

    Restek

    Simplify routine maintenance with these handy kits for LC. Significant savings over instrument manufacturer prices High quality components in every kit Wide selection of PM Kits for your HPLC systems

  • Low-Pressure CPI Inlet Filter for Mobile Phase Reservoir

    Restek

    A 316 stainless steel knurled cap and Tefzel CPI ferrule seal to 1/8" OD PTFE tubing when finger-tightened onto the precision-machined filter holder. The filter element is replaceable. Standard 10 µm porosity protects delicate pump components from particles but introduces very little…

  • Valves for HPLC

    Restek

    Our valves have low internal volumes and are rated to 15,000 psi (103,421 kPa). They feature a two-piece stem assembly in which the rotating upper shank is coupled through a ball joint to a static lower stem. Only finger-tight torque is required to make the seal.

  • Sidewinder LC Column Heater

    Restek

    Easy to set up! Operation range: 5 °C above ambient to 85°C, ±1°C Lightweight, compact design fits in small spaces Column holder can be placed in any orientation This unique design completely encloses any LC analytical column up to 25 cm in length. Two lengths of…

  • Suction Filter for Shimadzu HPLC Systems

    Restek

  • Capillary Stainless Steel Tubing Assemblies for Agilent HPLC Systems

    Restek

    Precut, micropolished tubing and preseated fittings for quick, easy maintenance of your Agilent HPLC systems Meet or exceed manufacturer's performance.

  • Inert PEEK Tubing

    Restek

    Replaces stainless steel, titanium, PTFE, or Tefzel tubing Less oxygen permeable and more temperature resistant (to 100 °C) than PTFE or Tefzel tubing Use with PEEK finger-tight or flangeless fittings Use tubing ≤ 0.007" to 7,000 psi; tubing ≥ 0.010" ID to 5,000 psi

  • High-Pressure Cup-Type In-Line Filter

    Restek

    This high-pressure cup-type filter can be used in fluid streams operating to 15,000 psi (103,421 kPa). The cup-shaped filter elements have a large (2.5 cm 2 ) surface area to give long operating lifetime. Mounted in screw-type adapters, they are easily removed for cleaning. Normally, backflushing…

  • Bio-Safe Column System (PEEK)

    Restek

    Bio-Safe columns are biocompatible and precision-machined from virgin PEEK (polyetheretherketone), a strong, inert polymer material. Completely biocompatible 100% metal free Stable to 8,000 psi Product Specs 4.6 mm ID x 30 mm length column with end fittings 2.0 µm frits

  • TopLoader BalanceBank Storage Unit

    Restek

    Provides easy access to wipers, weigh papers, boats, and spatulas* Creates a neat, highly functional weighing area and workstation *Please note: Accessories and supplies in photograph are not included.

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