Chromatography Sample Preparation
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CAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3
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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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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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These small canisters are designed for controlled sampling, such as personal air sampling, as an alternative to tube and pump samplers. The 1,000 cc canister is suitable for sampling volatile organic compounds in air according to methods TO-14A, TO-15, IP-1A, ASTM 5466, OSHA PV 2120, and NJ DEP Low…
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Luer lock inlet offers leak-tight syringe connection Variety of filter types, porosities, and diameters Color coded for easy identification Rugged polypropylene housing Autoclavable to 121°C for 15 minutes Quantity break pricing for greater savings Cellulose Acetate, Nylon,…
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Cleaned, assembled, and ready to use Clear or amber glass Caps and PTFE-lined septa included
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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 required. Prepare samples more efficiently with a complete line of…
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Restek PAL SPME Fibers
RestekSuitable for a wide range of analyte chemistries and sample matrices Reliable performance meets or exceeds other brands Robust aluminum hub is more durable than plastic Optimized for PAL system autosamplers and compatible with most GC inlets SPME automated sample preparation reduces…
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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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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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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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This unique grab sampler is specifically designed for soil gas sampling by allowing the connection of tubing coming from the soil gas sample port. The innovative design minimizes connections and leaks and houses a critical orifice in the tee fitting. It also incorporates a vacuum gauge and 2…
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2-inch vacuum/pressure gauges, 316 stainless steel with 1/8" NPT fitting and center back mount. Recommended for use with canisters.
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Meets original equipment manufacturer's performance Choose original equipment–equivalent stainless steel or Siltek deactivation for improved inertness and extended lifetime
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Celite 545 Particle Size 0.02-0.1 mm
MilliporeSigmaCAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3
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Cleaned, assembled, and ready to use Clear or amber glass Caps and PTFE-lined septa included
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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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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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Easy-VOC Grab Sampler
RestekPerfect for fast and simple grab sampling of small air volumes (50–500mL) directly into sorbent tubes* Easy, instant sample collection with no complicated pumps to calibrate or maintain Convenient to use anywhere, just attach a sorbent tube to the end of the handheld unit and draw a…
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Cellulose or glass fiber construction Fit 11 mL, 22 mL, and 33 mL cells Cellulose filters available in economical 1,000-packs
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Quickly and precisely verify flow rates generated by vacuum or pressure before going into the field. These compact, convenient units are ideal for real-time calibration of air flow controllers, passive sampling kits, air canisters, sampling pumps, and more. They measure absolute pressure, mass…
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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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Sampling bags are a low-cost whole air sampling device for high level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose…
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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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Single-stage, stainless steel Two pressure gauges and CGA-180 fitting Stainless steel diaphragm and Kel-F seat Accurate pressure control even at low flow rates Individually tested for leaks and impurities
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Celite 503
MilliporeSigmaCAS No.: 68855-54-9 pH: 10 (100 g/l, H2O, 20°C) Solubility: Bulk Density: 300 kg/m3
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Optimized for Methods TO-14A, TO-15, IP-1A, ASTM D5466, OSHA PV 2120, and NJ DEP Low Level TO-15 Proprietary electropolished surface maintains compound stability. High-quality, metal-to-metal seal, 2/3-turn valve with stainless steel diaphragms prevent sample adsorption for more-accurate…
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Use the CGA-160 inlet connection with 14L Scott/Air Liquide transportable gases. Use the CGA-165 inlet connection with 48L Scott/Air Liquide transportable gases.
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General Description For continuous "hands off" direct transfer of multiple liquid samples A Visiprep large volume sampler enables you to transfer low viscosity samples directly from any sample container to conventional solid phase extraction tubes on a Visiprep SPE vacuum…
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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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?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…