Abstract
Abstract In flame ionization detection of hydrocarbons, the presence of oxygen in the sample gas affects the response of the detector to a given hydrocarbon concentration. A membrane separation technique devised to provide a sample gas relatively free of oxygen has been tested in the present study. A flame ionization detector was used to measure concentrations of low molecular weight hydrocarbons (C1‐C4). The sign and magnitude of the oxygen effect were measured under several conditions, and the ability of an FEP Teflon interface to eliminate the effect by reducing oxygen concentrations in the permeant gas was demonstrated. Applications to the continuous source monitoring of hydrocarbon emissions are discussed.
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Schedule a callMore From: Journal of Environmental Science and Health . Part A: Environmental Science and Engineering
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