Elite-17ms columns are for confirmation analysis and have excellent inertness for active compounds

5% diphenyl, 95% dimethyl polysiloxane Optimized for PBDE analysis by EPA Method 1614. Short column option resolves BDE-209 3 times faster, with less thermal breakdown. Unique deactivation gives higher BDE-209 response than competitor columns, for greater analytical sensitivity. …

Application: The 5% phenyl equivalent phase provides a boiling point elution order with a slight increase in selectivity, especially for aromatic compounds. The low bleed characteristics, inertness, and durable nature make it the column of choice for environmental analytes (such as semivolatiles,…

Phenyl Arylene polymer virtually equivalent to a (5%-Phenyl)-methylpolysiloxane Non-polar Very low bleed, suitable for GC/MS Exhibits inertness to active compounds Temperature limits are -60° to 325°/350°C Improved signal-to-noise ration for increased sensitivity and mass…

Equivalent to USP G42 phase Temperature range 40°C to 340°C/360°C

Columns with “built in” guard columns, no press-fit connectors Minimize front-end contamination and increase column lifetime Aid in focusing sample onto the front of the column for better peak shape Minimize MSD contamination originating from the column (when used in…

(35%-Phenyl)-methylpolysiloxane Midpolarity - slightly more polar than HP-35 Low bleed Inert to active solutes Ideal for confirmational analyses Bonded and cross-linked Solvent rinsable Equivalent to USP Phase G42 Similar Phases: Rtx-35, SPB-35, AT-35,…

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…

HayeSep® 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…

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…

Untreated capillaries Recommended application: Capillary electrophoresis Preparation of capillary columns Capillary LC applications

Nitroterephthalic acid modified polyethylene glycol High polarity Designed for the analysis of volatile fatty acids and phenols Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G35 Temperature limits: 40° to 250°C NOTE: Agilent does…

Deactivated tubing can be used as retention gaps, guard columns, or transfer lines. Our standard deactivation process is a phenyl methyl deactivation — the preferred choice for most applications due to its inertness and robustness. Agilent Technologies products are intended for…

Temperature range -60°C to 300/320°C

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…

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:…

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,…

The Rtx-Volatile Amine column was designed specifically for analyzing volatile amines in difficult matrices, such as water. The unique base deactivation creates an exceptionally inert surface for these sensitive compounds, resulting in highly symmetrical peaks, which allow low detection limits. The…

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…

Restek's R&D chemists have optimized the deactivation technology applied to our MXT-Alumina BOND/MAPD column for improved analysis of trace concentrations of polar hydrocarbons like acetylene, methyl acetylene, and propadiene in hydrocarbon streams containing higher levels of C1-C5…

Temperature range -20°C to 240°C Equivalent to USP G43 phase

Temperature range -60oC to 350 oC Equivalent to USP G27, G36 phases

material fused silica  Quality Level 100 Agency meets requirements for USP G42 parameter 0-300 °C temperature (isothermal or programmed) Beta value 250 d_f 0.25 μm technique(s) gas chromatography…

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…

COL-ELITE-1 0.25UM 30mx0.25mm w/5m IGC

Temperature range -60°C to 300/315°C.

OPTIMA® 225 Capillary columns for GC Features 50 % cyanopropylmethyl – 50 % phenylmethylpolysiloxane · USP G7 / G19 Medium polar phase Recommended for fatty acid analyses Similar phases: DB-225, HP-225, OV-225, Rtx-225, CP-Sil 43, 007-225, BP225 Max.…

100% Dimethylpolysiloxane Non-polar Low bleed characteristics Improved signal-to-noise ratio for better sensitivity and mass spectral integrity Bonded and cross-linked and solvent rinsable Agilent Technologies products are intended for sale/shipment within the US only. International…

Absorption chromatography column for rapid preparative separations as described by W.C. Still, M. Kahn and A. Mitra of Columbia University in JOURNAL OF ORGANIC CHEMISTRY 43, 2923 [1978], and covered in U.S. Patent Number 4,293,422 dated October 6, 1981. Moderate resolution can be obtained with…

Temperature range -60oC to 350 oC Equivalent to USP G27, G36 phases

Analyze oxygen, nitrogen, methane, carbon monoxide, and carbon dioxide with one column at room temperature. ShinCarbon ST material, a high surface area carbon molecular sieve (~1,500 m 2 /g), is the ideal medium for separating gases and highly volatile compounds by gas solid chromatography (GSC).…

(50%-Phenyl)-methylpolysiloxane Midpolarity Extended upper temperature limit of 365°C High temperature, polyimide-coated, fused silica tubing Excellent peak shape and faster elution times for high boilers Improved resolution for triglycerides Ideal for…