EPA 522 Analyte Mix on Rxi®-624Sil MS (30 m x 0.25 mm x 1.4 μm)

1,4-Dioxane in Drinking Water (5 pg On-Column) on Rxi®-624Sil MS (extracted ion chromatogram) Column Peaks 1. Tetrahydrofuran-d8 (IS) 2. Co-extracted material 3. 1,4-Dioxane-d8 (SS) 4. 1,4-Dioxane 5. Co-extracted material EIC Sample 4 m/z 88.00 m/z 58.00 6.00 6.20 6.40…

EPA 522 Analyte Mix on Rtx®-624 w/5 m Integra-Guard® (30 m x 0.25 mm x 1.4 μm) 1 1. 2. 3. Peaks Tetrahydrofuran-D8 1,4-Dioxane-d8 1,4-Dioxane RT (min.) 5.59 6.51 6.55 2 5.55 5.60 5.65 5.70 5.75 5.80 5.85 5.90…

A New Solution for Trace-Level Analysis of 1,4-Dioxane in Drinking Water Large Volume Injection in an Unmodified Splitless GC Inlet Set up for Success • Resprep® SPE cartridges assure clean extracts free of matrix interferences. • Restek Premium inlet liner…

Environmental Applications Lowering Detection Limits for 1,4-Dioxane in Drinking Water Using Large Volume Injection in an Unmodified Splitless GC Inlet By Chris Rattray, Jack Cochran, and Chris English Abstract Concurrent solvent recondensation–large volume splitless injection (CSR-LVSI) for gas chromatography typically…