Gas Chromatography Columns
Key features of GC columns include their use of molecular sieve columns, which offer high efficiency in separating small molecules like gases and volatile organic compounds. Integrating fused silica in these columns improves their thermal stability and reduces reactivity, ensuring accurate and consistent results. The columns' design maximizes the interaction between the stationary phase and the analyzed compounds, leading to more precise identification and quantification.
In practical terms, users benefit from the columns' reliability in various applications, including environmental testing, forensic analysis, and quality control in manufacturing. Their design and material composition makes them a valuable asset in any laboratory focused on gas chromatography.
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midpolarity phase; Crossbond 35% diphenyl/65% dimethyl polysiloxane Active basic compounds that otherwise require derivatization, or an alternative analytical technique, can be analyzed on an Rtx-35 Amine column. The tubing surface is chemically altered to reduce tailing of basic compounds,…
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J&W DB-1ms Ultra Inert Capillary GC Columns
Agilent TechnologiesDB-1ms is an excellent general-purpose GC column and ideal for GC/MS of active analytes commonly found in drug screening and environmental analyses. The Ultra Inert 1ms GC columns set the new industry standards for consistent column inertness and exceptionally low column bleed. These columns…
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OPTIMA® 5 Capillary Columns
MACHEREY-NAGELOPTIMA® 5 Capillary columns for GC Features 5 % phenyl – 95 % methylpolysiloxane · USP G27, G36 Nonpolar standard phase with large range of application Low bleed columns with equal selectivity see OPTIMA® 5 MS, ultra low bleed columns see OPTIMA® 5 MS…
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DB-XLB
Agilent TechnologiesExceptionally low bleed Low polarity Extended temperature limit of 340°/360°C Exhibits inertness to active compounds Suitable for confirmational analysis Excellent for pesticides, herbicides, PCBs and PAHs Useful for GC/MS MSD testing and certification…
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nonpolar phase; Crossbond dimethyl polysiloxane MXT-1 columns exhibit long lifetime and very low bleed at high operating temperatures. A proprietary synthesis process eliminates residual catalysts that could cause degradation and increase bleed. General-purpose columns for solvent…
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Crossbond 5% diphenyl/95% dimethyl polysiloxane—optimized for hydrocarbon analysis
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Undeactivated Fused Silica Tubing
Agilent TechnologiesUndeactivated tubing or bare fused silica is commonly used for capillary electrophoresis. It can also be used for transfer lines and other applications where inertness is not critical. Agilent Technologies products are intended for sale/shipment within the US only. International customers…
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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…
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SCOT Capillary GC Column phase BMEA
MilliporeSigmaSupelco is the leader in Support Coated Open Tubular (SCOT) GC column technology. Our unsurpassed manufacturing technique allows us to deposit a uniform layer of liquid phase-coated support particles on the inner wall of stainless steel tubing. This technology gives us access to many phases that…
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General purpose column having a PTFE stopcock, reservoir of the listed capacity and a top standard taper outer joint. Glass wool (not supplied) is used to support the column packing. Column is constructed using MEDIUM WALL TUBING. Can be used as a gravity eluted column or a flash column (as…
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Elite-1 capillary column, 15m x 0.25mm, 1.00µm
PerkinElmerEquivalent to USP G1, G2 and G38 phases Temperature range -60°C to 350/400°C
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DB-5ms
Agilent TechnologiesPhenyl 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…
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DB-608
Agilent TechnologiesSpecifically designed for the analysis of chlorinated pesticides and PCBs U.S. EPA Methods: 608, 508, 8080 Excellent inertness and recoveries without pesticide breakdown Bonded and cross-linked Solvent rinsable Exact replacement of HP-608 Similar Phases: SPB-608,…
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D3606 Application Column Set
RestekConforms to the specifications established in the current ASTM method D3606 for the quantitation of benzene and toluene in spark ignition fuel containing ethanol. Complete resolution of benzene from ethanol—no compromising coelutions. Accurate quantification of benzene and toluene.…
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DB-Tph 30m, 0.32mm, 0.25um
Agilent TechnologiesSpecifically designed for the analysis of total petroleum hydrocarbons (TPHs), soil analysis, and LUFT Three analyses in one injection: gas range organics, diesel range organics and motor oil Fast run time Bonded and cross-linked Solvent rinsable Agilent Technologies…
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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…
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GS-Alumina
Agilent TechnologiesMost “polar” Alumina phase Aluminum oxide with proprietary deactivation Excellent general use column for light hydrocarbon analysis: C1 to C8 hydrocarbon isomers Separates C1-C4 saturated and unsaturated hydrocarbons Best for resolving cyclopropane from propylene …
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DB-1701p
Agilent TechnologiesLow/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,…
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OPTIMA® 5 MS Capillary Columns
MACHEREY-NAGELOPTIMA® 5 MS Capillary columns for GC Features 5 % diphenyl – 95 % dimethylpolysiloxane USP G27 / G36 Nonpolar phase with low bleeding Suited for GC/MS and ECD application and general analyses at trace level Perfect inertness for basic compounds Similar…
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Elite-1ht capillary column 30m x 0.25mm, 0.10µm
PerkinElmerTemperature range -60 o C to 400 o C. Equivalent to USP G1, G2, G38 phase.s.
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SPB®-20 Capillary GC Column
MilliporeSigmaApplication: This column has intermediate polarity due to the higher (20%) phenyl content, producing a different elution order of polar compounds for confirmational information. It is often used for analyses of aromatic analytes. USP Code: This column meets USP G32 requirements. Phase: •Bonded …
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Elite-Siltek Guard, 5m x 0.32mm
PerkinElmerElite-Siltek Guard Columns lengthen the life of the capillary columns.
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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…
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proprietary Crossbond phase These columns separate to baseline all blood alcohol compounds in blood, breath, or urine, in less than 3 minutes, under isothermal conditions. Isothermal analysis increases productivity by eliminating the need for oven cycling. Confirmation is easily achieved with…
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nonpolar phase Accurate boiling point determination for medium and heavy fractions using GC simulated distillation requires columns and phase polymers that are robust enough to withstand high temperatures without significant degradation. Lowest bleed for longest column lifetime. …
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OPTIMA® 624 LB Capillary Columns
MACHEREY-NAGELOPTIMA® 624 LB Capillary columns for GC Features 6 % cyanopropyl-phenyl – 94 % dimethylpolysiloxane USP G43 Medium polar phase Low bleed columns for halogenated hydrocarbons, volatiles, aromatic compounds, solvents etc. Similar phases: HP-624, HP-VOC, DB-624,…
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Stabilwax-MS columns ensure reproducible retention times from run to run, even with temperature cycling. When methods require trace analysis, this highly polar, low-bleed stationary phase produces excellent signal-to-noise levels! Ideal for food and flavor analysis (e.g., essential oils), fragrance…
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100% Dimethyl Polysiloxane Non-polar column Dimensionally stabilized phase Low bleed Specifically designed for high temperature hydrocarbon analysis Ideal for simulated distillation Application Areas: ASTM methods D2887 and D6532 Operating Temperature: …
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GC Capillary Column
Agilent TechnologiesAgilent J&W DB-1 is nonpolar and low-bleed, and operates under high temperature limits. It is an excellent choice for general purpose use in a wide variety of applications. Precision-engineered DB-1 is bonded, crosslinked and solvent rinsable, and is equivalent to USP phase G2. This product is…