Langmuirian parameters for Tenax GC adsorption or airborne organohalogen compounds

Pao Comes 1 Norbert Gonzalez-Flesca 1 Joan O. Grimalt 2
1 INERIS - Institut National de l'Environnement Industriel et des Risques
2 Department of Environmental Chemistry
Abstract : A study of the sampling conditions of diverse trihalomethanes, alkyl, alkenyl and aromatic chlorinated and brominated compounds and one chloroalcohol adsorbed on Tenax GC showed that the chromatographic behavior of these volatile organohalogen compounds can be modeled with a Langmuir isotherm. The equations derived from this model allow a description of the dependence between breakthrough volumes and atmospheric phase concentration of the adsorbates. They also indicate the breakthrough volumes at infinite dilution and the concentration thresholds requiring the application of Langmuir isotherms to avoid important quantitative sampling errors
Keywords : ADSORPTION ISOTHERMS AIR ANALYSIS BREAKTHROUGH VOLUMES SAMPLE HANDLING ORGANOCHLORINE COMPOUNDS ORGANOHALOGEN COMPOUNDS VOLATILE ORGANIC COMPOUNDS
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Journal articles
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Submitted on : Friday, March 21, 2014 - 1:46:32 PM
Last modification on : Friday, March 21, 2014 - 1:46:32 PM

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Pao Comes, Norbert Gonzalez-Flesca, Joan O. Grimalt. Langmuirian parameters for Tenax GC adsorption or airborne organohalogen compounds. Journal of Chromatography A, Elsevier, 1998, 823 (1-2), pp.171-177. ⟨10.1016/S0021-9673(98)00518-4⟩. ⟨ineris-00962713⟩

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