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Determination of small quantities of nitrogen oxides in air by ion chromatography using a chromatomembrane cell for preconcentration |
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| Authors: | H Erxleben L N Moskvin T G Nikitina and J Simon |
| Institution: | (1) Free University of Berlin, Department of Chemistry, Institute for Inorganic and Analytical Chemistry, Fabeckstrasse 34/36, D-14195 Berlin, Germany, DE;(2) St. Petersburg State University, Department of Chemistry, St. Petersburg 198904, Russia, RU |
| Abstract: | Chromatomembrane (CM) cells operate in computer-aided FIA systems as unique manifolds for extraction and preconcentration procedures. By coupling with ion chromatography an instrumentation was obtained allowing sample preparation and detection of nitrogen oxides in air in a quick and automated way. The aim of this paper is to study the absorption of acid components from air inside the new devices. Received: 11 September 1997 / Revised: 12 November 1997 / Accepted: 16 November 1997 |
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