Fused Silica Capillary

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.

Rt-2560 Column (fused silica)

highly polar phase; biscyanopropyl polysiloxane—not bonded

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  • Stationary phase selectivity optimized for isomer separation to ensure accurate quantification of critical cis/trans FAMEs.
  • Application-specific QC test guarantees consistent, reliable performance for AOAC 996.06 and AOCS Ce 1j-07 methods.
  • Excellent sample capacity; no peak distortion means easy, accurate peak integration.
  • Temperature range: 20–250 °C.

Rxi-PAH Columns (fused silica)

midpolarity proprietary phase

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  • Ideal for EFSA PAH4 analysis—separates all priority compounds: benz[a]anthracene, chrysene, benzo[b]fluoranthene, and benzo[a]pyrene.
  • Best resolution of chrysene from interfering PAHs, triphenylene, and cyclopenta[cd]pyrene.
  • Complete separation of benzo [b], [k], [ j], and [a] fluoranthenes.
  • 360 °C thermal stability allows analysis of low-volatility dibenzo pyrenes.

Rxi-65TG Columns (fused silica)

High-polarity Crossbond phase

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  • Ideal for the analysis of triglycerides in edible oils.
  • Excellent thermal stability up to 370 ˚C ensures consistent results and longer column lifetimes.
  • Separate and quantify critical triglycerides (acylglycerols) without interference from column bleed.
  • Observe even underivatized mono- and diglycerides.
  • Novel manufacturing techniques ensure consistent column-to-column quality.

Rxi-1HT Columns (fused silica)

nonpolar phase; dimethyl polysiloxane

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  • Columns processed for high-temperature applications, such as high molecular weight hydrocarbons.
  • Temperature range: -60 to 400 °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.

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.

Rt-CW20M F&F Columns (fused silica)

polar phase; Carbowax polyethylene glycol—not 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-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-65TG Columns (fused silica)

high-polarity phase; Crossbond diphenyl dimethyl polysiloxane

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  • Application-specific columns, specially tested for triglycerides.
  • Maximum temperature: 370 °C.

Rtx-2330 Columns (fused silica)

highly polar phase; biscyanopropyl cyanopropylphenyl polysiloxane

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  • General-purpose columns for cis/trans FAMEs, dioxin isomers.
  • Temperature range: 0 °C to 275 °C.
  • Equivalent to USP G8 and G48 phase.

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-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.

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