Restek
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polar phase; Crossbond cyanopropylmethyl phenylmethyl polysiloxane 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…
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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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Protocol Station
RestekThe protocol station is designed for convenient wall mounting of high-purity gas regulators. Wall mounting provides ease of use, prevents gas regulator damage, and improves safety. Either chrome-plated brass or 316 stainless steel option is complete with a 3-foot, flexible, all-stainless-steel…
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Treated Straight, 6-Foot Length Stainless Steel Tubing Individual 6-foot (± 1/2") straight pieces. In response to customer requests, we offer 6-foot straight lengths of 1/8-, 1/4, and 3/8-inch treated tubing. This tubing can be cut to your exact requirements using a standard tubing cutter.
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In-line design installs easily with standard fittings Cost-effective protection for UHPLC systems Reliable way to extend column lifetime Leak-tight to 15,000 psi (1,034 bar) Replaceable 0.5 µm stainless steel frit in stainless steel body
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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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Meets or exceeds original manufacturer's performance Available for Agilent 5890, 6890, or 7890 GCs
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Use of these liners helps ensure an inert GC flow path for higher sensitivity, accuracy, and reproducibility. Consistent quality with exceptional batch-to-batch uniformity Low to zero bleed or background contamination
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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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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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Miniature Air Sampling Kits
RestekRestek’s passive air sampling kit incorporates all the hardware necessary to collect air samples and is easy to assemble for field sampling.* Kit includes flow controller, critical orifice, 2 µm frit filter, vacuum gauge, and sample inlet. The gauge and sample inlet are downsized for…
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Cylinder Valve Wrench
RestekThis specially designed wrench enables easy opening of cylinder valves that are fitted with a hand wheel. It is also suitable for removing difficult cylinder caps.
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Ion Source Cleaning Powder
RestekUse this aluminum oxide powder to clean surfaces that contact the sample or ion beam when you encounter poor sensitivity and inadequate abundances at high masses.
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Crossbond 100% dimethyl polysiloxane—optimized for hydrocarbon analysis 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…
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Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require. Connect three lines. 300 series stainless steel; stainless steel ferrules included. For 1/16" OD tubing.
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Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require. Makes a minimum volume connection from a female pipe fitting on a pressure gauge or regulator to a Valco zero-dead-volume fitting.…
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Compound List Compound, Conc (wt/wt%) Paraffins N-Butane, 2.086% N-Decane, 0.966% N-Dodecane, 0.943% N-Heptane, 2.479% N-Hexane, 3.882% N-Nonane, 1.048% N-Octane, 1.403% N-Pentadecane, 0.947% N-Pentane, 4.093% Propane, 0.251% N-Tetradecane, 0.947% N-Tridecane, 0.941% N-Undecane, 0.941% Isoparaffins…
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Produces ultra-pure nitrogen (up to 99.9999%) Require only a compressed air source and 110 volt AC power Typical applications include GC carrier gas, make-up gas, and low flow sample concentrators Maintenance kits include replacement filters 12-month warranty from date of purchase
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Mineral Spirits
RestekThere are four general types of mineral spirits, classified according to boiling point range (BPR): Type I (Stoddard solvent), BPR 149–182°C Type II (high flash point), BPR 177–196°C Type III (odorless), BPR 149–196°C Type IV (low dry point), BPR…
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Pentachlorophenol
RestekCompound: Pentachlorophenol CAS #: 87-86-5 Conc. in Solvent and Volume: 1,000 μg/mL in methanol, 1 mL/ampul Max Shelf Life on Ship Date: 96 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes
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Use 1/8" and 3/16" OD columns in 1/4" on-column injection ports. Centers column perfectly in injection port to eliminate bent syringe needles. Slotted design prevents carrier gas occlusion. Vespel/graphite reducing ferrules make installation easy. Includes all nuts &…