However, analysis below 0.1 mg/L has been more problematic because 1,4-dioxane is fully miscible with water, and is therefore difficult to concentrate by standard purge-and-trap and extraction techniques.
However, analysis below 0.1 mg/L has been moreproblematic because 1,4-dioxane is fully miscible withwater, and is therefore difficult to concentrate by standardpurge-and-trap and extraction techniques.