low-polarity phase; Crossbond diphenyl dimethyl polysiloxane General purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners (e.g., Aroclor mixes), essential oils, semivolatiles. Column specifically tested for low-bleed performance. Temperature range:…

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.

Equivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C

Equivalent to USP G6 phase. Temperature range -20°C to 290/310°C.

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

high-polarity phase; Crossbond diphenyl dimethyl polysiloxane The MXT-65TG phase resolves triglycerides by degree of unsaturation as well as by carbon number. Because of the chemistry required to achieve 370°C thermal stability, an MXT-65TG column should not be used for analyses of…

midpolarity Crossbond phase Rtx-1701 is one of the more popular stationary phases used in capillary GC. The mix of cyano and phenyl functional groups increases the polarity and offers a different elution order relative to less polar Rtx-1 or Rtx-5 columns. An Rtx-1701 column is ideal for…

Capillary columns for GC Features Polyethylene glycol 20 000 Da · USP G16 Polar phase Recommended for solvent analysis and alcohols, suitable for aqueous solutions Similar phases: OPTIMA® WAX, DB-Wax, Supelcowax, HP-Wax, HP-INNOWAX, Rtx-Wax, CP-Wax 52 CB, Stabilwax,…

Equivalent to USP G6 phase. Temperature range -20°C to 280/300°C.

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…

proprietary Crossbond phase Using sophisticated computer modeling software, we created two stationary phases for separating the 53 organophosphorus pesticides (OPP) listed in EPA Method 8141. Separation is improved and analysis time is significantly reduced, compared to other columns. The…

Equivalent to USP G7, G19 phase Temperature range 40°C to 240°C

low-polarity phase; Crossbond diphenyl dimethyl polysiloxane The diphenyl dimethyl polysiloxane stationary phase is the most popular GC stationary phase and is used in a wide variety of applications. All residual catalysts and low molecular weight fragments are removed from the MXT-5 polymer,…

OPTIMA® δ-6 Capillary columns for GC Features Polysiloxane phase with autoselectivity Medium polar without CN groups Analytes determine the polarity of the phase Autoselectivity resulting in a polarity range from approximately OPTIMA® 17 to OPTIMA® 210 …

Equivalent to USP G3 phase Temperature range 40°C to 320°C

COL-ELTWAXETR 1UM 30mx0.32mm w/5m IGC

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…

GC capillary columns for determination of diethylene glycol Features Polyethylene glycol 20 000 (diethylene glycol tested) · USP G16 Recommended application: determination of diethylene glycol, e.g., for the quality control of wine Max. temperature for isothermal operation…

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…

OPTIMA® 17 MS Capillary columns for GC Features Silarylene phase with selectivity analogue to 50 % phenyl – 50 % methylpolysiloxane USP G3 Medium polar phase with very low bleeding Ideal for ion trap detectors, optimum reference column in combination with a 1 MS or 5…

Equivalent to USP G27 and G36 phases Temperature range -60°C to 350°C

Velocity fused silica columns yield exceptional performance for general GC applications.

Equivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C

porous divinylbenzene homopolymer 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…

Temperature range -60oC to 200 oC

Equivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C

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…

Temperature range 40 o C to 300/320 o C. Equivalent to USP G3 phase.

Velocity fused silica columns yield exceptional performance for general GC applications.

low- to midpolarity phase The unique polarity of the Rtx-624 column makes it ideal for analyzing volatile organic pollutants. Although the Rtx-502.2 column is recommended in many methods, the Rtx-624 column offers better resolution of early eluting compounds. The Rtx-624 phase produces greater…

Specifically designed for the analysis of volatile priority pollutants No cryogenics needed for U.S. EPA Method 502.2 Excellent for U.S. EPA Methods: 501.3, 502.2, 503.1, 524.2, 601, 602, 8010, 8015, 8020, 8240 and 8260 Exhibits inertness to active compounds Bonded and cross-linked Solvent…