We observed that freezing the aqueous sample along with the extraction solvent enhanced the extraction efficiency, minimized physical interferences, and improved sensitivity resulting in a limit of detection for 1,4-dioxane to approximately 1.6 μg/L.
We observedthat freezing the aqueous sample along with the extraction solvent enhanced the extraction efficiency, minimized physicalinterferences, and improved sensitivity resulting in a limit of detection for 1,4-dioxane to approximately 1.6 μg/L.