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  1. Chromservis
  2. Chromatography
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          Chromatography

          Rtx-OPPesticides2

          • Application-specific columns for organophosphorus pesticides; best column combination for US EPA Method 8141A.
          • GC columnLow bleed--ideal for GC/FPD, GC/NPD, or GC/MS analyses.

          Using sophisticated computer modeling software, we created two stationary phases for separating the 55 organophosphorus pesticides (OPP) listed in EPA Method 8141A. Separation is improved, and analysis time is significantly reduced, compared to other columns. The extended upper temperature limit of these phases (330°C) allows analysts to bake out high molecular weight contamination typically associated with pesticide samples. The low bleed columns are a perfect match for sensitive detection systems.

          Applications
          • Organophosphorus pesticides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.18 0.18 -20 to 310/330
          0.25 0.25 -20 to 310/330
          0.32 0.32 -20 to 310/330
          0.53 0.50 -20 to 310/330

          Rtx-OPPesticides

          • Application-specific columns for organophosphorus pesticides; best column combination for US EPA Method 8141A.
          • GC columnLow bleed--ideal for GC/FPD, GC/NPD, or GC/MS analyses.

          Using sophisticated computer modeling software, we created two stationary phases for separating the 55 organophosphorus pesticides (OPP) listed in EPA Method 8141A. Separation is improved, and analysis time is significantly reduced, compared to other columns. The extended upper temperature limit of these phases (330°C) allows analysts to bake out high molecular weight contamination typically associated with pesticide samples. The low bleed columns are a perfect match for sensitive detection systems.

          Applications
          • Organophosphorus pesticides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 0.40 -20 to 310/330
          0.32 0.50 -20 to 310/330
          0.53 0.83 -20 to 310/330

          Stx-CLPesticides2

          • Application-specific columns for organochlorine pesticides and herbicides .
          • GC columnSiltek® surface deactivation enhances responses for endrin, DDT, methoxychlor.

          Many laboratories analyzing organochlorine pesticides struggle with breakdown and adsorption of endrin, DDT, and methoxychlor caused by active sites throughout the analytical system. Siltek® passivation technology enables these columns to offer unsurpassed inertness and the highest responses for active pesticides.

          Applications
          • Organochlorine pesticides and herbicides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 0.20 -60 to 310/330
          0.32 0.25 -60 to 310/330

          Stx-CLPesticides

          • Application-specific columns for organochlorine pesticides and herbicides .GC column
          • Siltek® surface deactivation enhances responses for endrin, DDT, methoxychlor.

          Many laboratories analyzing organochlorine pesticides struggle with breakdown and adsorption of endrin, DDT, and methoxychlor caused by active sites throughout the analytical system. Siltek® passivation technology enables these columns to offer unsurpassed inertness and the highest responses for active pesticides.

          Applications
          • Organochlorine pesticides and herbicides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 0.25 -60 to 310/330
          0.32 0.32 -60 to 310/330
          0.32 0.50 -60 to 310/330

          Rtx-CLPesticides2

          • Application-specific columns for organochlorine pesticides and herbicides.
          • GC columnLow bleed--ideal for GC/ECD or GC/MS analyses.
          • Improved resolution and faster analyses, compared to 1701 or phenyl phases, make these the pesticide columns of choice.

          Rtx®-CLPesticides columns are specially designed to overcome the coelutions and analyte breakdown typically encountered in chlorinated pesticide analyses for EPA Methods 8081, 608, and CLP. By achieving baseline resolution of the 20 target analytes, more accurate qualitative data can be obtained, providing reliable identification without GC/MS.

          Column bleed, measured by ECD, is extremely low at temperatures up to 330°C, which is critical for baking-out the column to remove high-boiling compounds commonly found in pesticide/PCB extracts. An analysis time of less than 10 minutes improves throughput compared to other stationary phases. Baseline separations in less than 10 minutes.

          Applications
          • Organochlorine pesticides and herbicides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.10 0.10 -60 to 310/330
          0.18 0.18 -60 to 310/330
          0.25 0.25 -60 to 320/340
          0.32 0.35 -60 to 320/340
          0.32 0.50 -60 to 320/340
          0.53 0.50 -60 to 300/320

          Rtx-CLPesticides

          • Application-specific columns for organochlorine pesticides and herbicides.
          • GC columnLow bleed--ideal for GC/ECD or GC/MS analyses.
          • Baseline separations in less than 10 minutes.

          Improved resolution and faster analyses, compared to 1701 or phenyl phases, make these the pesticide columns of choice. Rtx®-CLPesticides columns are specially designed to overcome the coelutions and analyte breakdown typically encountered in chlorinated pesticide analyses for EPA Methods 8081, 608, and CLP. By achieving baseline resolution of the 20 target analytes, more accurate qualitative data can be obtained, providing reliable identification without GC/MS.

          Column bleed, measured by ECD, is extremely low at temperatures up to 330°C, which is critical for baking-out the column to remove high-boiling compounds commonly found in pesticide/PCB extracts. An analysis time of less than 10 minutes improves throughput compared to other stationary phases.

          Applications
          • Organochlorine pesticides and herbicides
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.10 0.10 -60 to 310/330
          0.18 0.18 -60 to 310/330
          0.25 0.25 -60 to 320/340
          0.32 0.35 -60 to 320/340
          0.32 0.50 -60 to 320/340
          0.53 0.50 -60 to 300/320

          Rtx-5 PONA

          (Crossbond® 5% diphenyl/95% dimethyl polysiloxane)GC column

          • Application-specific for detailed hydrocarbon analysis.
          Applications
          • Detailed hydrocarbon analysis
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 1.00 -60 to 325

          Rt-CW20M F&F

          (Carbowax® polyethylene glycol)GC column

          • Application-specific columns for flavor and fragrance compounds, specially tested. True non-bonded Carbowax® 20M polarity.
          Applications
          • Flavor and fragrance compounds
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 0.25 60 to 220
          0.32 0.33 60 to 220

          Rtx-Volatiles

          (proprietary Crossbond® diphenyl/dimethyl polysiloxane phase )GC column

          • Application-specific columns for volatile organic pollutants.

          Rtx®-Volatiles columns were the first columns designed specifically for analyses of the 34 volatile organic pollutants listed in US EPA methods 601, 602, and 624. With these columns, you can quantify all compounds listed in these methods, whether you use a mass spectrometer or a PID in tandem with an ELCD. The diphenyl/dimethyl polysiloxane based Rtx®-Volatiles stationary phase provides low bleed and thermal stability to 280°C. Narrow bore columns can interface directly in GC/MS systems.

          Applications
          • Volatile organic pollutants
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.25 1.00 -20 to 270/280
          0.32 1.50 -20 to 270/280
          0.53 2.00 -20 to 270/280

          Rtx-BAC2

          • Application-specific columns for blood alcohol analysis.
          • GC columnRtx®-BAC2 confirmation column provides four elution order changes under the same conditions

          These columns separate to baseline all blood alcohol compounds in blood, breath, or urine, in less than 3 minutes, under isothermal conditions. Isothermal analysis increases productivity by eliminating the need for oven cycling. Confirmation is easily achieved with this tandem set because there are four elution order changes between the two columns.

          Applications
          • Blood alcohol analysis
          • Abused inhalant anesthetics
          • y-hydroxybutyrate (GHB)/y-butyrolactone (GBL)
          • Glycols
          • Common industrial solvents
          Teplotní limity
          ID (mm) df(µm) Teplotní limity (°C)
          0.32 1.20 -20 až 240/260
          0.53 2.00 -20 až 240/260