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The concentration distribution of an analyte in a chromatomembrane cell (CMC) was examined by using various air samples of different air pollutant (NO 2 ) concentrations and volumes, and the results obtained could be explained by a proposed principle of the concentration distribution of the analyte in the CMC. This principle was for the first time proved experimentally in the present study...
A simple and rapid procedure for NO 2 determination in air was developed by coupling the chromatomembrane method with a micro-FIA system. A three-hole chromatomembrane cell was successfully applied to on-line preconcentration of atmospheric NO 2 in a solution of 2 g l -1 triethanolamine (TEA) as an aqueous absorbing solution. The lowest volume of an air sample necessary...
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