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Fused Silica Capillary

Fused Silica Capillary
Environmental; Rtx (Restek Original)

Products

Rtx®-OPPesticides2 Columns (fused silica)

(proprietary Crossbond® phases)

  • Application-specific columns for organophosphorus pesticides; best column combination for US EPA Method 8141.
  • Low bleed—ideal for GC-FPD, GC-NPD, or GC-MS analyses.
  • Stable to 330 °C.

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Rtx®-Dioxin2 Columns (fused silica)

(proprietary Crossbond® phase)

  • Isomer specificity for 2,3,7,8-TCDD and 2,3,7,8-TCDF achieved with one GC column.
  • Thermally stable to 340 °C for longer lifetime.
  • Unique selectivity for toxic dioxin and furan congeners allows use as a confirmation GC column.

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Rtx®-PCB Columns (fused silica)

(proprietary Crossbond® phase)

  • Unique polymer for PCBs analysis by GC-ECD or GC-MS.
  • Good results for other semivolatiles.
  • Low polarity; inert to active compounds.
  • Stable to 340 °C.

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Rtx®-CLPesticides Column Kit (0.32 mm ID)

(Note: Columns are not preconnected in this kit.)


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Rtx®-1614 Columns (fused silica)

(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, compared to DB-5HT columns, for greater analytical sensitivity.
  • Exceeds EPA Method 1614 resolution criteria for BDE-49 and BDE-71.

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Rtx®-CLPesticides Columns (fused silica)

(proprietary Crossbond® phases)

  • Application-specific columns for organochlorine pesticides and herbicides.
  • Low bleed—ideal for GC-ECD or GC-MS analyses.
  • Baseline separations in less than 10 minutes.
  • Stable to 340 °C.
  • Analyze EPA Method 8081B, 8082A, 8151A, 504.1, 515, 508.1, and 552.2 compounds without time-consuming column change.
  • See how our Rtx®-CLPesticides columns compare to the competition at www.restek.com/RtxCLP7.
  • Only Rtx®-CLPesticides columns provide optimal results using any carrier gas. Read our technical article to learn how you can get faster results with helium and hydrogen, or can simplify your system using nitrogen.

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Rtx®-CLPesticides2 Columns (fused silica)

(proprietary Crossbond® phases)

  • Application-specific columns for organochlorine pesticides and herbicides.
  • Low bleed—ideal for GC-ECD or GC-MS analyses.
  • Baseline separations in less than 10 minutes.
  • Stable to 340 °C.
  • Analyze 8081B, 8082A, 8151A, 504.1, 515, 508.1, and 552.2 compounds without time-consuming column change.
  • See how our Rtx®-CLPesticides columns compare to the competition at www.restek.com/RtxCLP7.
  • Only Rtx®-CLPesticides columns provide optimal results using any carrier gas. Read our technical article to learn how you can get faster results with helium and hydrogen, or can simplify your system using nitrogen.

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Rtx®-1 Columns (fused silica)

(nonpolar phase; Crossbond® dimethyl polysiloxane)

  • General-purpose columns for solvent impurities, PCB congeners (e.g. Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates.
  • Temperature range: -60 °C to 350 °C.
  • Equivalent to USP G1, G2, G38 phases.
  • View related literature on analysis of oxygenates in gasoline, impurities in ethylene, and trace-level sulfur compounds.

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Rtx®-5 (G27) Columns (fused silica)

(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.
  • Temperature range: -60 °C to 350 °C.
  • Equivalent to USP G27 and G36 phases.
  • View related literature on the analysis of saw palmetto and opiates.

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Rtx®-OPPesticides Columns (fused silica)

(proprietary Crossbond® phases)

  • Application-specific columns for organophosphorus pesticides; best column combination for U.S. EPA Method 8141.
  • Low bleed—ideal for GC-FPD, GC-NPD, or GC-MS analyses.
  • Stable to 330 °C.

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Rtx®-VRX Columns (fused silica)

(proprietary Crossbond® phase)

  • Application-specific columns for volatile organic pollutants.
  • Excellent for U.S. EPA Method 8021 compounds.
  • Stable to 260 °C.

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Rtx®-502.2 Columns (fused silica)

(proprietary Crossbond® diphenyl/dimethyl polysiloxane phase)

  • Application-specific columns with unique selectivity for volatile organic pollutants. The Rtx®-502.2 column is cited in U.S. EPA Method 502.2 and in many gasoline range organics (GRO) methods for monitoring underground storage tanks.
  • Excellent separation of trihalomethanes; ideal polarity for light hydrocarbons and aromatics.
  • Stable to 270 °C.

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Rtx®-624 Columns (fused silica)

(low to midpolarity phase; Crossbond® cyanopropylphenyl dimethyl polysiloxane)

  • Application-specific columns for volatile organic pollutants. Recommended in U.S. EPA methods for volatile organic pollutants.
  • Temperature range: -20 °C to 240 °C.
  • Equivalent to USP G43 phase.

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Rtx®-5MS—Low-Bleed GC-MS Columns (fused silica)

(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.
  • Temperature range: -60 °C to 350 °C.
  • Equivalent to USP G27 and G36 phases.

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Rtx®-Volatiles Columns (fused silica)

(proprietary Crossbond® diphenyl/dimethyl polysiloxane phase)

  • Application-specific columns for volatile organic pollutants.
  • Stable to 280 °C.

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Rtx®-440 Columns (fused silica)

(midpolarity proprietary Crossbond® phase)

  • General-purpose columns with unique selectivity for pesticides, PAHs, or other semivolatiles. Ideal for low/trace level analyses.
  • Low-bleed, high-resolution columns with unique selectivity.
  • Wide temperature range: 20 °C to 340 °C.

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Rtx®-1701 Columns (fused silica)

(midpolarity Crossbond® phase)

  • General-purpose columns for alcohols, oxygenates, PCB congeners (e.g. Aroclor mixes), pesticides.
  • Temperature range: -20 °C to 280 °C.
  • Equivalent to USP G46 phase.

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Rtx®-35 Columns (fused silica)

(midpolarity phase; Crossbond® diphenyl dimethyl polysiloxane)

  • General-purpose columns for organochlorine pesticides, PCB congeners (e.g., Aroclor mixes), herbicides, pharmaceuticals, sterols, rosin acids, phthalate esters.
  • Temperature range: 40 °C to 320 °C.
  • Equivalent to USP G42 phase.

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Rtx®-200 Columns (fused silica)

(midpolarity phase; Crossbond® trifluoropropylmethyl polysiloxane)

  • General-purpose columns for solvents, Freon® fluorocarbons, alcohols, ketones, silanes, glycols, and drugs of abuse. Excellent confirmation column with an Rtx®-5 column for phenols, nitrosamines, organochlorine pesticides, chlorinated hydrocarbons, and chlorophenoxy herbicides.
  • Temperature range: -20 °C to 340 °C.
  • Equivalent to USP G6 phase.

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Rtx®-Mineral Oil Columns (fused silica)

  • Application specific columns meet DIN EN ISO 9377-2:2000 requirements.
  • Optimized column dimensions for fast mineral oil screening.
  • Surface linked phase guarantees long lifetime, robustness, and stability to 400 °C.

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Rtx®-Volatile Amine Columns (fused silica)

  • Unique selectivity for baseline resolution of all volatile amines.
  • Excellent inertness assures accuracy and sensitivity for volatile amines, including free ammonia.
  • Highly robust phase withstands repeated water injections, resulting in longer column lifetime.
  • High temperature stability (290 °C) ensures elution of amines up to C16 and allows contaminants to be removed by “baking out” the column.

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Rtx®-Dioxin Columns (fused silica)

(proprietary Crossbond® phase)

  • Replacement column for 5% diphenyl phases.
  • Improved separations of dioxin or furan congeners.
  • Greater thermal stability than 5% diphenyl phases or high-cyano confirmation columns.

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