midpolarity Crossbond 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…

General purpose gravity eluted column having a PTFE stopcock and reinforced beaded top. Column is constructed using MEDIUM WALL TUBING. Glass wool (not supplied) is used to support column packing. Lower end of the column has a round bottom.

90% Cyanopropyl Polysilphenylene-siloxane Unique bonded phase Highly Polar Thermally Stable Application areas: ideal for fast separation of fragrances, aromatics, petrochemical, pesticides, PCBs and isomers of Fatty Acid Methyl Esters (FAMEs) Operating temperatures: …

SUPELCOWAX® 10 Capillary GC Column may be used for the analysis of milk fat in order to demonstrate its health benefits. It may also be used for high-resolution separation of polychlorinated biphenyls by comprehensive two-dimensional gas chromatography. Application: This column is based…

Column bleed, measured by ECD, is extremely low at temperatures up to 330°C, which is critical for baking-out the column to remove high-boiling compounds commonly found in pesticide/PCB extracts. An analysis time of less than 10 minutes improves throughput compared to other stationary phases. …

Restek Rt-Alumina BOND columns are highly selective for C1–C5 hydrocarbons and separate all saturated and unsaturated hydrocarbon isomers above ambient temperatures. The reactivity of the aluminum oxide stationary phase is minimized, by deactivation with inorganic salts like KCl or…

Empty Columns for all your Gas Chromatography equipment come in multiple sizes and are able to fit a variety of different systems.

low-polarity phase; Crossbond 1,4-bis(dimethylsiloxy)phenylene 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…

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…

polar phase; Crossbond base-deactivated Carbowax polyethylene glycol—for amines and basic compounds Stabilwax-DB columns reduce adsorption and improve responses for many basic compounds, without analyte derivatization or column priming. For different selectivity of basic compounds, or…

In the past it was necessary to use Press-fit connectors with specific dimensions to connect columns of those dimensions. Modern Press-fit connectors are “laser-milled” to provide highly reproducible taper angles throughout the length of the Press-fit insuring an excellent seal. Now the…

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,…

Polyimide Uncoated Deactivated Fused Silica Capillary Tubing comes in a standard length of 5 meters.

GC capillary columns are typically wound on 7 inch cages that fit into standard-sized GCs like the 6890. The 6850 GC has a smaller oven which requires the use of columns wound on a smaller cage diameter. Nitroterephthalic acid modified polyethylene glycol High polarity Temperature…

(6%-Cyanopropyl-phenyl) methylpolysiloxane Equivalent to USP Phase G43 Low/midpolarity Bonded and cross-linked Exact replacement of HP-1301 Solvent rinsable Similar Phases: Rtx-1301, PE-1301

low-polarity phase; Crossbond diphenyl 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…

100% divinylbenzene Porous polymers are unique, highly retentive stationary phases with a wide application range that are able to elute both polar and nonpolar compounds. They are very hydrophobic, so water has no impact on retention times and even elutes as a good chromatographic peak. The…

Low/midpolarity Exact replacement of HP-PAS1701 Specifically designed and processed for the analysis of organochlorine pesticides ECD tested to assure minimal pesticide breakdown and low ECD bleed Bonded and cross-linked Solvent rinsable Similar Phases: SPB-1701,…

Ultra 1: 100% Dimethylpolysiloxane Ultra 2: (5%-Phenyl)-methylpolysiloxane Non-polar Bonded and cross-linked Solvent rinsable HP-1 and HP-5 with tighter specifications for retention index and capacity factors Temperature range: -60° to 325°/350°C …

polar phase; Crossbond polyethylene glycol Restek’s polar-deactivated surface tightly binds the Carbowax polymer and increases thermal stability, relative to competitive columns. Because of the increased stability produced by the bonding process, Stabilwax columns exhibit long column…

100% Dimethylpolysiloxane Non-polar Superior performance of low molecular weight alcohols (less than C5) High temperature limit (325/350°C upper limit) Bonded and cross-linked; solvent rinsable This product is only available to U.S. Domestic Customers.

5% Phenyl / 95% Dimethyl Polysiloxane Excellent general purpose GC column Low bleed Non-polar High temperature Application Areas: Aromatics, pesticides, herbicides, drugs of abuse, hydrocarbons, GC/MS applications Operating Temperatures: 0.25-1.5µm…

Useful as guard columns, transfer lines, or long retention gaps Inertness-tested with the Grob test mix includes test chromatogram. 5-meter banded sections mounted in a Restek cage. Maximum temperature: 325°C Note: 30- and 60-meter lengths are banded in 5-meter sections. …

GC capillary columns are typically wound on 7 inch cages that fit into standard-sized GCs like the 6890. The 6850 GC has a smaller oven which requires the use of columns wound on a smaller cage diameter. Equivalent to USP Phase G43 Thinner film reduces run time by 2.5 times and…

Temperature range -20 o C to 280 o C. Equivalent to USP G46 phase.

GC capillary columns are typically wound on 7 inch cages that fit into standard-sized GCs like the 6890. The 6850 GC has a smaller oven which requires the use of columns wound on a smaller cage diameter. Specifically designed for the analysis of volatile priority pollutants No…

Proprietary cyclodextrin material 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 columns that have pure…

100% Dimethylpolysiloxane Identical selectivity to HP-1 Non-polar Low bleed characteristics General purpose column Improved signal-to-noise ratio for better sensitivity and mass spectral integrity Bonded and cross-linked Solvent rinsable Temperature range:…

Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures. Restek’s R&D chemists have developed a process for preparing molecular sieve packings, which results in excellent batch-to-batch reproducibility. In addition, our molecular sieves are…

polar phase; Crossbond acid-deactivated Carbowax polyethylene glycol—for acidic compounds Stabilwax-DA bonded polyethylene glycol has an acidic functionality incorporated into the polymer structure. This permits analysis of acidic compounds without derivatization, significantly reduces…