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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OPTIMA® 1 MS Accent Capillary Columns
MACHEREY-NAGELOPTIMA® 1 MS Accent Ultra-low bleed capillary columns for GC Features 100 % dimethylpolysiloxane · USP G1 / G2 / G38 Nonpolar phase with ultra-low bleeding, ideal for ion trap and quadrupole MS detectors Increased sensitivity due to an unmatched low background level …
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Useful for a wide range of applications Compatible with most common solvents Maximum temperature: 325°C
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ShinCarbon ST Columns
RestekAnalyze 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).…
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Press-Fit Capillary Column Connectors
Agilent TechnologiesIn 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…
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OPTIMA® 17 MS Capillary Columns
MACHEREY-NAGELOPTIMA® 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…
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SPB®-1 Capillary GC Column
MilliporeSigmaApplication This column is often used for traditional general purpose applications, where a non-polar column is required. Analytes will be separated primarily according to boiling point. USP Code: This column meets USP G1, G2, and G9 requirements. Phase: Bonded …
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The PerkinElmer Elite-502.2 Series of capillary columns are specifically designed for the analysis of volatiles by US EPA method 502.2. The low polarity phase is a proprietary dimethyl-diphenyl polysiloxane bonded phase.
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Chemists using guard columns in the analyses of basic compounds frequently observe peak tailing and low recovery. This happens because conventionally deactivated tubing surfaces can be adsorptive to basic compounds. Restek offers base-deactivated guard columns, as well as base-deactivated inlet…
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Polyethylene Glycol (PEG) in a Sol-Gel matrix World's highest temperature wax phase Bonded polyethylene glycol Very robust high-temperature column Less susceptible to damage by oxygen than conventional wax phases Polar phase Low bleed and inert Application Areas: …
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DB-1701
Agilent Technologies(14%-Cyanopropyl-phenyl)-methylpolysiloxane Low/midpolarity Bonded and cross-linked Solvent rinsable Exact replacement for HP-1701 Similar Phases: DB-1701: SPB-1701, CP-Sil 19 CB, Rtx-1701, BP-10, OV-1701, 007-1701, ZB-170 Agilent Technologies products are intended for…
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DB-35
Agilent Technologies(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,…
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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 spherical socket 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 described…
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5% Phenyl Polysilphenylene-Siloxane High temperature General Purpose GC column - suitable for over 80% of all routine analyses performed by gas chromatography Very Low Bleed - ideal for trace analysis Non-Polar Extremely inert Ideal for GC-MS Application Areas: …
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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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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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CarboBlack Columns
RestekGraphitized carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a nonsilicone liquid phase.…
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DB-35ms Ultra Inert Columns
Agilent TechnologiesAgilent J&W DB-35ms Ultra Inert is a mid-polar column, for applications where different selectivity is needed for enhanced separations, including pesticide analysis and drugs of abuse testing. DB-35ms Ultra Inert quantifies components at a lower level, with broader linearity and optimized…
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Designed for use with Merlin Microseal sealing system; can be used with other septumless systems. Coating bonded to a flexible fused silica core, yielding a more suitable coating on a less breakable fiber. There may be a slight difference in extraction selectivity compared to the same coating…
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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 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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Se-30 And Se-54
Agilent TechnologiesSE-30: 100% Dimethylpolysiloxane SE-54: (5%-Phenyl)(1%-Vinyl)-methylpolysiloxane Because SE series GC columns are not bonded or cross-linked, we do not recommend solvent rinsing. Agilent Technologies products are intended for sale/shipment within the US only. International customers…
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Column Nuts
Agilent TechnologiesAgilent MS interface column nuts (or transfer line nuts) are manufactured from a softer metal than the transfer line interface. This is to prevent stripping of the transfer line threads and costly repairs. Add a few MS interface column nuts to your next order and keep spares on hand. Agilent…
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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…
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HP-FFAP
Agilent TechnologiesNitroterephthalic acid modified polyethylene glycol High polarity Temperature range from 40 to 250°C Designed for the analysis of volatile fatty acids and phenols Replaces OV-351 Bonded and cross-linked Solvent rinsable Close equivalent to USP Phase G35 …
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The Elite-SimDist columns are specifically for the simulated distillation application. The phase is specifically processed for dimethylpolysiloxane.
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HP-1ms
Agilent TechnologiesGC 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. 100% Dimethylpolysiloxane Identical selectivity to HP-1 Non-polar Low…
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GC Capillary Guard Column
Agilent TechnologiesJ&W DB-5ms is a non-polar phenyl arylene polymer gas chromatography (GC) Column, virtually equivalent to (5%-phenyl)-methylpolysiloxane, featuring an excellent signal-to-noise ratio for analytical applications. This improved performance gives better sensitivity and mass spectral integrity, and…
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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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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…
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Column GC Cap High Efficiency HP-1ms 20m, 0.18mm, 0.18um
Agilent Technologies100% 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…
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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:…