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  1. Chromservis
  2. Chromatography
  3. Stationary phases
  4. GC
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Chromatography

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        GC

        GC Phases

        Capillary column

        On this page we provide an overview of the supplied stationary phases for gas chromatography (GC). Each is given details of its properties and the applications that are suitable for them. In the product catalog you can then choose a suitable quartz or metal capillary column for GC.

        Stationary phases LION

        Fused silica capillary columns

        Stationary phase Temperature range Composition USP Phase
        LN-1 -60 to 370°C 100% dimethyl polysiloxane G2
        LN-1 MS -60 to 370°C 100% dimethyl polysiloxane G2
        LN-1 HT -60 to 430°C 100% dimethyl polysiloxane -
        LN-5 -60 to 370°C 5% diphenyl/95% dimethyl polysiloxane G27
        LN-5 Sil MS -60 to 370°C 5% diphenyl/95% dimethyl polysiloxane G27
        LN-5 MS -60 to 350°C 5% phenyl - arylene - 95% dimethyl polysiloxane G27
        LN-5 HT -60 to 430°C 5% diphenyl/95% dimethyl polysiloxane -
        LN-35 50 to 360°C 35% diphenyl/65% dimethyl polysiloxane G42
        LN-35 HT -60 to 400°C 35% diphenyl/65% dimethyl polysiloxane G42
        LN-17 40 to 340°C 50% diphenyl/50% dimethyl polysiloxane G3
        LN-624 -20 to 260°C 6% cyanopropylphenyl/94% dimethyl polysiloxane G43
        LN-FFAP 40 to 260°C Nitroterephthalic Acid Modified Polyethylene Glycol G35
        LN-1701 -20 to 300°C 14% cyanopropylphenyl/86% dimethyl polysiloxane G46
        LN-XLB 30 to 360°C Low polarity phases -
        LN-XLB-HT 30 až 400°C Low polarity phases
        LN-WAX 40 to 260°C Polyethylene Glycol G16
        LN-WAX Plus 20 to 260°C Polyethylene Glycol G16

        forte BPX5

        (5% Phenyl Polysilphenylene-siloxane)GC column

        • Low polariry phase, an MS-Premium, low bleed column with a maximum temperature up to 370°C.
        • Popular column used for a wide variety of applications.
        Applications
        • Drugs
        • Solvent impurities
        • Pesticides
        • Hydrocarbons
        • PCB congeners or (e.g.) Aroclor mixes
        • Essential oils
        • Semivolatiles
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.25 -60 to 340/350
        0.22 1.00 -60 to 340/350
        0.25 0.25 -60 to 340/350
        0.25 1.00 -60 to 340/350
        0.32 0.25 -60 to 340/350
        0.32 0.50 -60 to 340/350
        0.32 1.00 -60 to 340/350
        0.53 0.50 -60 to 340/350
        0.53 1.00 -60 to 340/350
        0.53 1.50 -60 to 340/350
        0.53 5.00 -60 to 280/300

        forte HT5

        (5% Phenyl (equiv.) Polycarborane-siloxane)GC column

        • Low polatiry phase.
        • Unique high temperature phase suited for simulated distillation and other petroleum applications.
        Applications
        • Simulated distillation
        • Petroleum application
        Temperature limits - Polyimid Clad
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.10 10 to 380/400
        0.25 0.10 10 to 380/400
        0.32 0.10 10 to 380/400
        0.32 0.50 10 to 380/400
        0.53 0.10 10 to 380/400
        0.53 0.15 10 to 380/400
        0.53 0.50 10 to 380/400

        Temperature limits - Aluminum Clad
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.10 10 to 380/400
        0.32 0.10 10 to 380/400
        0.53 0.075 10 to 380/400
        0.53 0.10 10 to 380/400
        0.53 0.15 10 to 380/400

        forte HT8

        (8% Phenyl Polysiloxane-carborane)GC column

        • Non-polar phase.
        • Unique high temperature phase suited for the analysis PCB congeners.
        • Ideal for ECD and MSD systems.
        Applications
        • PCB congeners
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.10 0.10 -20 to 360/370
        0.18 * -20 to 360/370
        0.22 0.25 -20 to 360/370
        0.25 0.25 -20 to 360/370
        0.32 0.25 -20 to 360/370
        0.53 0.50 -20 to 360/370

        *proprietary

        forte BPX35

        GC column(35% Phenyl Polysilphenylene-siloxane)

        • Moderately polarity phase.
        • An MS-Premium, low bleed column with a maximum temperature up to 370°C.
        • Compatible with all commonly detection systems.
        • Especially suited for trace analysis of herbicides and aromatic compounds.
        Applications:
        • Herbicides, Pesticides and Aroclor Mixtures
        • Aromatic compounds
        • Pharmaceuticals
        • Amines
        • Alcohols
        • Confirmation columns
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.10 0.10 0 to 360/370
        0.22 0.25 0 to 360/370
        0.25 0.25 0 to 360/370
        0.25 0.50 0 to 360/370
        0.25 1.00 0 to 360/370
        0.32 0.25 0 to 360/370
        0.32 0.50 0 to 360/370
        0.32 1.00 0 to 360/370
        0.53 0.50 0 to 360/370
        0.53 1.00 0 to 360/370

        forte BPX608

        GC column(35% Phenyl Polysilphenylene-siloxane)

        • Moderately polarity phase.
        • Optimazed for ECD.
        • Especially suited for trace analysis of herbicides and pesticides.
        Applications:
        • Herbicidy and Pesticides
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.32 0.40 0 to 360/370

        forte BPX50

        GC column(50% Phenyl Polysilphenylene-siloxane)

        • Midle Polarity Phase.
        • Ideal for GC/MS appplication.
        • Excelent chromatographic inertness.
        • Confirmation column for EPA and pharmaceutical applications.
        • Ideal column for second dimension 2D GC systems.
        Applications:
        • Triazines/Herbicides
        • Drug screening
        • Steroids
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.10 0.05 20 to 360/370
        0.10 0.07 20 to 360/370
        0.10 0.10 20 to 360/370
        0.15 0.15 20 to 360/370
        0.25 0.25 20 to 360/370
        0.32 0.25 20 to 360/370
        0.53 0.50 20 to 360/370
        0.53 1.00 20 to 360/370

        forte BPX70

        GC column(70% Cyanopropyl Polysilphenylene-siloxane)

        • High Polarity Phase.
        • Low bleed, modified silphenylene siloxane backbone for high thermal stability.
        • Equivalent phase to 70% cyanopropyl siloxane.
        Applications:
        • FAME
        • Carbohydrates
        • Positional and Geometric Isomers
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.10 0.20 50 to 250/260
        0.22 0.25 50 to 250/260
        0.25 0.25 50 to 250/260
        0.32 0.25 50 to 250/260
        0.53 0.50 50 to 250/260

        MXT Biodiesel phase

        MXT®-Biodiesel TG Capillary GC Columns

        Benefits of MXT®-Biodiesel TG columns
        • Fast analysis times and sharp mono-, di-, and triglyceride peaks
        • Stable at 430°C for reliable, consistent performance
        • Integra-Gap™ built-in retention gap on 0.53mm ID column eliminates column coupling completely

        Rxi phase

        GC columnRxi® Capillary GC Columns

        These columns have been 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 characteristics assures Rxi® columns will have long lifetimes. The Restek chemists also have developed a stable, reproducible manufacturing process, so that Rxi® columns will meet your needs every time you install a new column.

        Benefits of Rxi® columns
        • Ultra-low bleed
        • Exceptional inertness
        • Reproducible performance, column after column
        Applications
        • Drugs of abuse
        • Essential oils
        • Hydrocarbons
        • Pesticides
        • PCB congeners and Aroclor mixtures
        • Sulphur compounds
        • Amines
        • Solvent impurities
        • Simulated distillation
        • Oxygenates
        • Gasoline
        • Refinery gases