Restek Chromatography Columns
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midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane Column specifically tested for low-bleed performance. Rtx-200 columns have accomplished many difficult separations not possible on any other bonded stationary phase. Many analysts consider these the best, most inert midpolarity…
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low-polarity proprietary phase 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…
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midpolarity Crossbond phase General-purpose columns for alcohols, oxygenates, PCB congeners (e.g., Aroclor mixes), and pesticides. Equivalent to USP G46 phase 4.5" standard coil diameter
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2,3-di-O-ethyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added into 14% cyanopropylphenyl/86% dimethyl polysiloxane By adding β or γ cyclodextrin to our bonded Rtx-1701 stationary phase, we greatly enhance overall utility and column lifetime for our chiral columns, compared to…
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Rxi-65TG Cap. Columns
RestekIdeal for the analysis of triglycerides in edible oils Excellent thermal stability up to 370 °C ensures consistent results and longer column lifetimes Separate and quantify critical triglycerides (acylglycerols) without interference from column bleed Observe even underivatized mono- and…
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Advantages of metal MXT PLOT columns include: Can be made in small coil diameters—perfect for tight spaces. Rugged material withstands rough handling and shock. Designed for robust performance in process GCs and field instruments. Available in 3.5"-coil diameter or…
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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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Restek GC Packing Material
RestekHayeSep® porous polymers are macroporous, spherical, ultrapure resins for performing unique separations in gas chromatography. Columns packed with HayeSep® polymers produce lower bleed and more reproducible characteristics than those packed with any competing polymeric product, and they require…
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Extend column lifetime. Excellent inertness—obtain lower detection limits for active compounds. Sharper chromatographic peaks by utilizing retention gap technology. Maximum temperature: 360°C
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High-quality, silica-based adsorbents. Used for common sample matrices such as food, soil, and petroleum. Resprep Alumina is available in three versions: (A) Acidic (pH ~4) (B) Basic (pH ~10) (N) Neutral (pH ~7.5)
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low-polarity phase; Crossbond 5% diphenyl/95% dimethyl polysiloxane Active basic compounds that otherwise require derivatization, or an alternative analytical technique, can be analyzed on an Rtx-5 Amine column. The tubing surface is chemically altered to reduce tailing of basic compounds,…
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Accurate quantification of toluene and benzene—including benzene in gasoline containing ethanol or butanol blends. Complete resolution of benzene from ethanol—no compromising coelutions. Enhanced formulation with improved support material and polymers—more robust and reproducible. Column sets…
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low- to midpolarity phase The unique polarity of "624" columns makes them ideal for analyses of volatile organic pollutants. Although the MXT-502.2 column is recommended in many methods, MXT-624 columns offer the best separation of the early-eluting gases. Application-specific…
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Developed specifically for challenging analyses of polycyclic aromatic hydrocarbons (PAHs). The Pinnacle II PAH stationary phase incorporates a proprietary C18 bonding that enables unique shape selectivity to baseline-resolve all 16 PAHs listed in U.S. EPA Method 610 plus two other routinely…
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Ultra HPLC Columns The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications. …
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High-purity material with highest reproducibility and lowest blank values due to an optimized manufacturing process. Excellent recovery rates, especially for the enrichment of pharmaceuticals and active ingredients, due to the spherical particle shape, homogeneous surface, and optimized pore…
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Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. This new breed of chromatographic column allows you to more easily achieve peak separation and…
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High-quality, silica-based hydrophilic adsorbents. Used for common sample matrices such as food, soil, and water. SAX – strong anion exchange. Stable over the pH range (2 – 9).
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2,3-di-O-propyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added into 14% cyanopropylphenyl/86% dimethyl polysiloxane By adding β or γ cyclodextrin to our bonded Rtx-1701 stationary phase, we greatly enhance overall utility and column lifetime for our chiral columns, compared to…
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Easy scale-up from Restek analytical columns Popular bonded phases Restek makes it easy to scale up your separations. We offer a wide range of semipreparative and preparative-scale columns packed with many of our popular Ultra, Allure, Pinnacle DB, and Viva bonded phases on a 5 μm…
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proprietary Crossbond phase Rtx-VMS columns offer lower bleed, better selectivity, and overall faster analysis for separating volatile organic compounds, such as those listed in U.S. EPA Method 8260B. The Rtx-VMS stationary phase is a highly stable polymer that provides outstanding analysis of…
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proprietary Crossbond diphenyl/dimethyl polysiloxane phase Rtx-Volatiles columns were the first columns designed specifically for analyses of the 34 volatile organic pollutants listed in U.S. EPA methods 601, 602, and 624. With these columns, you can quantify all compounds listed in these…
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low- to midpolarity phase Many analysts feel the Rtx-1301 column has the best cyanosiloxane bonded stationary phase available, with no other column manufacturer providing lower bleed, longer lifetime, or better inertness. Our polymer is fully characterized to ensure long-term reproducibility,…
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Ultra Amino Columns (USP L8)
RestekUltra HPLC Columns The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications. …
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Viva HPLC Columns: 3 or 5 µm particles; 300 Å pore size Excellent for separating peptides or proteins Rugged, spherical particles with 300 Å pore size High proportion of pore/surface area available to large molecules Viva columns are based on a wide pore material…
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Roc HPLC columns are built to be the cornerstone for your LC lab. These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, ruggedness, and performance you demand for all of your conventional HPLC applications. An exceptional value,…
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Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. This new breed of chromatographic column allows you to more easily achieve peak separation and…
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Low bleed levels Longer column lifetimes Short conditioning times Bonded phases are used in capillary columns because they provided a dramatic increase in column quality. To truly bridge the gap between traditional packed columns and capillary columns, it was necessary to develop bonded…
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Extend analytical column lifetime by preventing degradation from harsh "steam-cleaning" water injections Maximum temperature: 325°C When transfer lines from purge-and-trap systems, air monitoring equipment, or other instruments carry condensed water vapor, deactivated column…
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nonpolar phase; Crossbond dimethyl polysiloxane 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…
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Rtx-1 Columns (fused silica)
Resteknonpolar 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, oxygenates. …
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Special Columns for Unsaturated Light Hydrocarbons Faster separations of C1 to C4 hydrocarbons This 3-column set is finely tuned to resolve light hydrocarbons. When used in the proper valving system, it will elute C5+ hydrocarbons ahead of C1 through C4 hydrocarbons. 88004-875: To be…