Abstract
A singled, 8.0-cm-long, hollow fiber membrane was used to quantitatively remove 1,1,1-trichloroethane, trichloroethene, and tetrachloroethene from water. The volumetric flow rate of the aqueous sample was below 0.2 mL/min to facilitate exhaustive extraction which results in good precision and accuracy of the determinations. The method involves pumping water containing volatile organic compounds (VOCs) through a single hollow fiber while an inert gas flows countercurrently around the exterior of the fiber
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