Fused Silica Capillary

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Rxi-17Sil MS Columns (fused silica)

midpolarity Crossbond phase

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  • Excellent inertness and selectivity for active environmental compounds, such as PAHs.
  • Low bleed for use with sensitive detectors, such as MS.
  • 340/360 °C upper temperature limits.
  • Equivalent to USP phase G3.

Stabilwax-DA Columns (fused silica)

polar phase; Crossbond acid-deactivated Carbowax polyethylene glycolfor acidic compounds

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  • Application-specific columns for free (underivatized) acids, some inorganic acids.
  • Resistant to oxidative damage.
  • Equivalent to USP G25, G35 phases.

Stabilwax-DB Columns (fused silica)

polar phase; Crossbond base-deactivated Carbowax polyethylene glycolfor amines and basic compounds

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  • Application-specific columns for underivatized amines and other basic compounds, including alkylamines, diamines, triamines, nitrogen-containing heterocyclics. No need for column priming.
  • Temperature range: 40 °C to 220 °C.

Rtx-BAC Plus 1 Columns (fused silica)

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  • Optimized column selectivities guarantee resolution of ethanol, internal standards, and frequently encountered interferences.
  • Robust and reproducible column chemistry ensures longer column lifetime and consistent results.
  • Stable to 260 °C.

Rtx-BAC Plus 2 Columns (fused silica)

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  • Optimized column selectivities guarantee resolution of ethanol, internal standards, and frequently encountered interferences.
  • Robust and reproducible column chemistry ensures longer column lifetime and consistent results.
  • Stable to 260 °C.

Rxi-1HT Columns (fused silica)

nonpolar phase; dimethyl polysiloxane

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  • 40% longer lifetime from specially designed fused silica tubing.
  • Columns processed for high-temperature applications, such as high molecular weight hydrocarbons.
  • Temperature range: -60 to 400 °C.

Rtx-1 Columns (fused silica)

nonpolar phase; Crossbond dimethyl polysiloxane

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  • 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.
  • Long lifetime and very low bleed at high operating temperatures.
  • Equivalent to USP G1, G2, G38 phases.

Rtx-5 (G27) Columns (fused silica)

low-polarity phase; Crossbond diphenyl dimethyl polysiloxane

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  • General-purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners (e.g., Aroclor mixes), essential oils, semivolatiles.
  • Equivalent to USP G27 and G36 phases.

Rtx-5 Amine Columns (fused silica)

low-polarity phase; Crossbond 5% diphenyl/95% dimethyl polysiloxane

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  • Application-specific columns for amines and other basic compounds, including alkylamines, diamines, triamines, ethanolamines, and nitrogen-containing heterocyclics.
  • Stable to 315 °C.

Rtx-1701 Columns (fused silica)

midpolarity Crossbond phase

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  • General-purpose columns for alcohols, oxygenates, PCB congeners (e.g., Aroclor mixes), pesticides, and fragrance compounds.
  • Equivalent to USP G46 phase.

Rtx-200 Columns (fused silica)

midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane

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  • 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.
  • Equivalent to USP G6 phase.

Base-Deactivated Guard/Retention Gap Columns (fused silica)

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  • Tested with a basic amine test mix.
  • Excellent inertness for basic compounds.
  • Recommended for use with Rtx-5 Amine, Rtx-35 Amine, Rtx-Volatile Amine, and Stabilwax-DB capillary columns.
  • Batch test chromatogram included.
  • Maximum temperature: 315 °C.

Rtx-BAC1 Columns (fused silica)

proprietary Crossbond phase

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  • Application-specific columns for blood alcohol analysisachieve baseline resolution in less than 3 minutes. Also excellent for abused inhalant anesthetics, γ-hydroxybutyrate (GHB)/γ-butyrolactone (GBL), glycols, and common industrial solvents.
  • Rtx-BAC2 confirmation column provides four elution order changes under the same conditions.
  • Stable to 260 °C.

Rtx-BAC2 Columns (fused silica)

proprietary Crossbond phase

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  • Application-specific columns for blood alcohol analysisachieve baseline resolution in less than 3 minutes. Also excellent for abused inhalant anesthetics, γ-hydroxybutyrate (GHB)/γ-butyrolactone (GBL), glycols, and common industrial solvents.
  • Rtx-BAC2 confirmation column provides four elution order changes under the same conditions.
  • Stable to 260 °C.

Rtx-5MSLow-Bleed GC-MS Columns (fused silica)

low-polarity phase; Crossbond diphenyl dimethyl polysiloxane

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