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  1. Chromservis
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Chromatography

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        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