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Fused Silica Capillary

Rxi-5Sil MS Columns (fused silica)

low-polarity phase; Crossbond 1,4-bis(dimethylsiloxy)phenylene dimethyl polysiloxane

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  • Engineered to be a low-bleed GC-MS column.
  • Excellent inertness for active compounds.
  • General-purpose columnsideal for GC-MS analysis of semivolatiles, polycyclic aromatic compounds, chlorinated hydrocarbons, phthalates, phenols, amines, organochlorine pesticides, organophosphorus pesticides, drugs, solvent impurities, and hydrocarbons.
  • Temperature range: -60 °C to 350 °C.

Rxi-1ms Columns (fused silica)

nonpolar phase; Crossbond dimethyl polysiloxane

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  • General-purpose columns for arson accelerants, essential oils, hydrocarbons, pesticides, PCB congeners (e.g., Aroclor mixes), sulfur compounds, amines, solvent impurities, simulated distillation, oxygenates, gasoline range organics (GRO), refinery gases.
  • Tested and guaranteed for ultra-low bleed; improved signal-to-noise ratio for better sensitivity and mass spectral integrity.
  • Temperature range: -60 °C to 330/350 °C.
  • Equivalent to USP G1, G2, and G38 phases.

Stabilwax Columns (fused silica)

polar phase; Crossbond polyethylene glycol

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  • Low-bleed PEG column ensures long column lifetimes.
  • Temperature range: 40 °C to 260 °C.
  • Equivalent to USP G14, G15, G16, G20, and G39 phases.

Rxi-624Sil MS Columns (fused silica)

midpolarity Crossbond phase

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  • Low-bleed, high-thermal stability columnmaximum temperatures up to 300320 °C.
  • Inertexcellent peak shape for a wide range of compounds.
  • SelectiveG43 phase highly selective for volatile organics and residual solvents, great choice for USP<467>.
  • Manufactured for column-to-column reproducibilitywell suited for validated methods.

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.
  • Ideal for analyzing distilled liquor and other alcoholic beverages.

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.

FAMEWAX Columns (USP G16) (fused silica)

polar phase; Crossbond polyethylene glycol

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  • Application-specific columns for FAMEs, specially tested with a FAME mixture.
  • Temperature range: 20 °C to 250 °C.

Rxi-17 Columns (fused silica)

midpolarity phase; Crossbond diphenyl dimethyl polysiloxane

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  • General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters, triglycerides, sterols.
  • Temperature range: 40 °C to 320 °C.

Stabilwax-MS Columns (fused silica)

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  • High-polarity, stable polyethylene glycol (PEG) stationary phase.
  • Low bleed and rugged enough to withstand repeated temperature cycles without retention time shifting.
  • Ideal for food, flavor, fragrance, and industrial chemical and solvent analysis.
  • Temperature range: 40 °C to 250/260 °C.
  • Equivalent to USP G14, G15, G16, G20, and G39 phases.

Rxi-1301Sil MS Columns (fused silica)

midpolarity Crossbond phase

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  • Highest thermal stability in the industry ensures dependable, accurate MS results and increased uptime.
  • Stabilized cyano phase selectivity improves the performance of existing methods. Ideal for solvents, glycols, and other polar compounds.
  • Rigorous QC testing ensures inertness and accurate, reliable data for multiple compound classes.
  • Maximum temperature: 320 °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.

Rt-CW20M F&F Columns (fused silica)

polar phase; Carbowax polyethylene glycolnot bonded

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  • Application-specific columns for flavor and fragrance compounds, specially tested.
  • True nonbonded Carbowax 20M polarity.
  • Temperature range: 60 °C to 250 °C.

Rtx-G27 Column (fused silica with 5-meter Integra-Guard guard column)

Crossbond diphenyl dimethyl polysiloxane

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  • Application-specific columns for residual solvents in pharmaceutical products.
  • Analytical column with Integra-Guard guard column eliminates connecting problems and leaks.
  • Rtx-G27 stable to 290 °C.

Rtx-G43 Column (fused silica with 5-meter Integra-Guard guard column)

Crossbond cyanopropylmethyl phenylmethyl polysiloxane

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  • Application-specific columns for residual solvents in pharmaceutical products. Meet all requirements of USP <467>.
  • Analytical column with Integra-Guard guard column eliminates connecting problems and leaks.
  • Rtx-G43 stable to 240 °C.

Rtx-Wax Columns (fused silica)

polar phase; Crossbond polyethylene glycol

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  • Best polyethylene glycol (PEG) phase for alkenols, glycols, and aldehydes.
  • Temperature range: 20 °C to 250 °C.
  • Equivalent to USP G14, G15, G16, G20, G39 phases.

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-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.

Rtx-624 Columns (fused silica)

low- to midpolarity phase

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  • 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.

Rtx-35 Amine Columns (fused silica)

midpolarity phase; Crossbond 35% diphenyl/65% dimethyl polysiloxane

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

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-20 Columns (fused silica)

low- to midpolarity phase; Crossbond diphenyl dimethyl polysiloxane

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  • General-purpose columns for volatile compounds, flavor compounds, alcoholic beverages.
  • Temperature range: -20 °C to 320 °C.
  • Equivalent to USP G28, G32 phases.

Rtx-1301 (G43) Columns (fused silica)

low- to midpolarity phase

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  • General-purpose columns for residual solvents, alcohols, oxygenates, and volatile organic compounds.
  • Equivalent to USP G43 phase.

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-35 Columns (fused silica)

midpolarity phase; Crossbond diphenyl dimethyl polysiloxane

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  • 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.

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.

Rtx-225 Columns (fused silica)

polar phase; Crossbond cyanopropylmethyl phenylmethyl polysiloxane

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  • General-purpose columns for FAMEs, carbohydrates, sterols, flavor compounds.
  • Equivalent to USP G7, G19 phases.

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