Abstract
High-efficiency condenser-type diffusion denuders of cylindrical and planar geometries are described. The film condensation of water vapor onto a cooled denuder surface can be used as a method for collecting water-soluble gases. By using SO2 as the test gas, the planar design offers quantitative collection efficiency at air sampling rates up to 5 L min -1. Coupled to ion chromatography, the limit of detection (LOD) for SO2 is 0.014 ppbv with a 30-min successive analysis sequence. The method has been successfully applied to the analysis of temperature- and humidity-controlled cleanroom air.
Original language | English |
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Pages (from-to) | 456-459 |
Number of pages | 4 |
Journal | Analytical and Bioanalytical Chemistry |
Volume | 375 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2003 Feb |
All Science Journal Classification (ASJC) codes
- Analytical Chemistry
- Biochemistry