Restek Rxi

Restek Rxi

  • Rxi-PAH Columns (fused silica)

    Rxi-PAH Columns (fused silica)

    $584.00 - $996.00
    midpolarity proprietary phase 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...
    $584.00 - $996.00
  • Rxi Guard/Retention Gap Columns

    Rxi Guard/Retention Gap Columns

    $58.00 - $143.00
    (fused silica) Extend column lifetime. Excellent inertness—obtain lower detection limits for active compounds. Sharper chromatographic peaks by utilizing retention gap technology. Maximum temperature: 360 °C. Click here for more...
    $58.00 - $143.00
  • Rxi-1301Sil MS Columns (fused silica)

    Rxi-1301Sil MS Columns (fused silica)

    $370.00 - $978.00
    midpolarity Crossbond phase 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...
    $370.00 - $978.00
  • Rxi-17 Columns (fused silica)

    Rxi-17 Columns (fused silica)

    $308.00 - $599.00
    midpolarity phase; Crossbond diphenyl dimethyl polysiloxane General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters, triglycerides, sterols. Temperature range: 40 °C to 320 °C. Click here for more...
    $308.00 - $599.00
  • Rxi-17Sil MS Columns (fused silica)

    Rxi-17Sil MS Columns (fused silica)

    $341.00 - $1,001.00
    midpolarity Crossbond phase 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...
    $341.00 - $1,001.00
  • Rxi-1HT Columns (fused silica)

    Rxi-1HT Columns (fused silica)

    $375.00 - $649.00
    nonpolar phase; dimethyl polysiloxane 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. View...
    $375.00 - $649.00
  • Rxi-35Sil MS Columns (fused silica)

    Rxi-35Sil MS Columns (fused silica)

    $369.00 - $703.00
    midpolarity Crossbond phase Special selectivity and excellent inertness for substituted polar compounds, such as drugs, pesticides, herbicides, PCBs, phenols, etc. Provides superior separation for cannabinoids. Very low-bleed phase for GC-MS...
    $369.00 - $703.00
  • Rxi-5HT Columns (fused silica)

    Rxi-5HT Columns (fused silica)

    $375.00 - $708.00
    low-polarity phase; diphenyl dimethyl polysiloxane 40% longer lifetime from specially designed fused silica tubing. Columns processed for high-temperature applications, such as mineral oil. Temperature range: -60 to 400 °C. View...
    $375.00 - $708.00
  • Rxi-5ms Columns (fused silica)

    Rxi-5ms Columns (fused silica)

    $330.00 - $946.00
    low-polarity phase; Crossbond diphenyl dimethyl polysiloxane General-purpose columns for semivolatiles, phenols, amines, residual solvents, drugs of abuse, pesticides, PCB congeners (e.g., Aroclor mixes), solvent impurities. Most inert column on...
    $330.00 - $946.00
  • Rxi-624Sil MS Columns (fused silica)

    Rxi-624Sil MS Columns (fused silica)

    $459.00 - $1,344.00
    midpolarity Crossbond phase Low-bleed, high-thermal stability column—maximum temperatures up to 300–320 °C. Inert—excellent peak shape for a wide range of compounds. Selective—G43 phase highly selective for volatile...
    $459.00 - $1,344.00
  • Rxi-XLB Columns (fused silica)

    Rxi-XLB Columns (fused silica)

    $369.00 - $1,094.00
    low-polarity proprietary phase General-purpose columns exhibiting extremely low bleed. Ideal for many GC-MS applications, including pesticides, PCB congeners (e.g., Aroclor mixes), PAHs. Unique selectivity. Temperature range: 30 °C to 360...
    $369.00 - $1,094.00