Restek Chromatography Sample Preparation
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High-quality thermal desorption tubes are suitable for ppt to ppm concentrations of volatile organic compounds (VOCs) in ambient, indoor, personal, and industrial hygiene environments. Fit Markes (ULTRA and UNITY), PerkinElmer, and Shimadzu thermal desorbers. Packed tubes come with a report…
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1174R53 : Long-term storage of blank/sampled tubes. 1174R54 : Long-term storage caps. 1174R55 : Use for tightening long-term storage caps. 1174R57 : Assists with tube packing. 1174R58 : Use for connecting tubes in series. 1174R59 : Required for diffusive sampling with stainless…
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Cleaned, assembled, and ready to use Clear or amber glass Caps and PTFE-lined septa included
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Firm nylon bristle brushes for easy cell cleaning and removal of solid samples Range of sizes to fit all extraction cells for ASE 100, 200, and 300
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Accurately and precisely dispense liquids for QuEChERS extractions with this versatile pump. A quick, simple adjustment lets you set the output volume anywhere from 2.5 mL to 30 mL per stroke, and the included adaptors will accommodate most reagent bottles. Adjustment knob offers 56 output…
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Diatomaceous earth is used as a filter aid to improve extraction efficiency of densely packed soils, such as clays. By mixing the sample with diatomaceous earth, recoveries can be improved and excess moisture can be absorbed. Packaged in a convenient 1 kg quantity. Improves extraction…
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?Proprietary electropolished surface that maintains compound stability. High quality, Bellows-design valve. Now also available with new RAVE valve. U.S. EPA Methods TO-14A and TO-15 regulate the collection, storage, and analysis of volatile organic compounds (VOCs) using treated air…
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Diskcover-47 Reservoir
RestekThe Diskcover-47 open-top reservoir allows you to pour up to 125 mL of sample directly onto the filter disk holder. It easily installs on top of the Diskcover-47 extraction disk holder. *Must be used with the Diskcover-47 extraction disk holder.
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Resprep® vacuum manifolds for SPE sample preparation, filtration, and elution are available in 12- and 24-port configurations. These manifolds help in achieving consistent extraction and filtration results. Multiple sample processing with these manifolds simplifies procedures and saves time. The…
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1/16" fittings, 1mm ID, for "W Type" valves Ideal for samples containing low concentrations of sulfur or other active compounds Sample loop sizes from 5 µL to 5 mL Sulfinert treatment eliminates active sites in the valve or loop for better recovery of active compounds.
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7 µm In-Line Filters
RestekThis 316 stainless steel filter is designed to collect particles larger than 7 microns. We offer Siltek-treated and stainless steel versions (1/4" compression fitting on both ends). Note: frit is not replaceable.
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Resprep PPT 96-Well Plates
RestekPolypropylene protein precipitation (PPT) 96-well plates offer highly efficient >99% protein removal Minimum 24-hour drip-free feature for easy in-well protein precipitation—no fear of backflushing or contamination Built-in dual-layer membrane with different porosities in each layer…
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Anhydrous sodium sulfate is the most common drying agent used to remove moisture from sample extracts. We package our 10-60 mesh material in recloseable buckets. Ideal for removing water from sample extracts Activate by heating to 400°C for four hours before use Packaged in…
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Luer Lock Valve Adaptors
RestekUse a luer lock valve adaptor to connect a luer lock fitting to a Rheodyne or Valco valve.
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Q-sep Tube Racks
RestekAvailable for 2 mL, 15 mL, and 50 mL tubes Alphanumerical grid reference on top tier for easy identification of samples Easy to assemble; simply fold and snap together securely
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Free-flowing salts transfer easily and completely. Easy-open packets eliminate the need for a second empty tube for salt transfer. Convenient slim packets fit perfectly into tubes to prevent spills. Ready-to-use tubes, no glassware required. Pre-weighed, ultra-pure extraction salts. …
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Attach quick-connect body fitting to stem fitting to open canister. Attach quick-connect stem protector to stem fitting when not sampling to prevent canister from accidentally opening. Connection: 1/4" tube fitting. Note: Quick-connect body fitting (cat.# 24187) must be ordered separately…
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Allows switching from pressure to vacuum in a matter of seconds. Quiet, oil-free unit will not contaminate the extraction system or your samples. Provides 20" Hg (68 kPa) vacuum or 18 psi (124 kPa) pressure. Not recommended for use with 24-port manifold. Warranty period is one year from…
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Sample Cylinder Valves
RestekAlta-Robbins' unique valve design incorporates a fully contained soft seat that provides durability and longer lifetime. Tight shut-off is easily achieved with very low torque, yet the valve is rugged enough to withstand overtightening. Multiple valve configurations are available for both…
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Gas Sampling Valves
RestekSulfinert treatment eliminates active sites in the valve or loop for better recovery of active compounds. Ideal for samples containing low concentrations of sulfur or other active compounds Sample loop sizes from 5 µL to 5mL
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Ultra-Clean Resin
RestekEquivalent to XAD-2 Resin—Exclusively from Restek! Ultra-Clean resin typically eliminates the hassle of cleaning and testing resin for air sampling. For adsorbing semivolatiles in air. Cleaned and GC tested. Available in 100 gram quantities.
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The Restek Cleaned Polyurethane Foam (PUF) Cartridges offers the following features: Use for collection of semivolatiles (pesticides, PCBs, PAHs) Both large high-volume (220–280 L/min) and small low-volume (1–5 L/min) PUFs available Suitable for ambient, indoor, and industrial hygiene…
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SDVB Resin
RestekStyrene/divinylbenzene, equivalent to XAD-2 resin Untreated, packaged in 1 kg plastic containers Spherical, 20 to 60 mesh particles
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The Restek accessories are compatible to use with Resprep SPE tubes and have a strong polypropylene material that offers great strength and durability.
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New personal air sampling technology designed to meet OSHA and NIOSH requirements for industrial hygiene applications Quiet, robust sampler does not require a pump and manages variations in face velocity, temperature, and humidity better than traditional sampling approaches Easy to…
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Restek's passive air sampling kit incorporates all the hardware necessary to collect air samples and is easy to assemble for field sampling.* The improved filter design greatly reduces the number of potential leak sites. The passive air sampling kit is available in seven sampling flow ranges and…
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Unwashed PUF plugs for both low-volume and high-volume sampling Flame retardant free—making them easier to clean for trace analysis Compliant with EPA and ASTM methods—0.022 g/cm 3 density Glass holders sold separately
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Swagelok sample cylinders are made of 304L and 316L stainless steel to resist corrosion and DOT rated to 1,800 and 5,000 psig (TPED cylinders rated to 1,450 and 4,350 psig), which allows sampling at gas wellheads as well as on-site refineries. Each cylinder is hydrostatically tested to at least 5/3…
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The model 1062 vacuum bag sampler provides fast sampling with zero cross-contamination. A vacuum created in the box draws air into the sampling bag without drawing it through the vacuum pump first, as is the case with standard air sampling pumps, thereby preventing contamination of the sample. This…
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Can be used for internal or external retaining rings Works to remove retaining ring in all ASE cell caps