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Design and Fabrication of a Nitrogen Monoxide Measurement Device Based on Low Temperature Co‐Fired Ceramics
Author(s) -
Geiling Thomas,
Welker Tilo,
Bartsch Heike,
Müller Jens
Publication year - 2011
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2011.00694.x
Subject(s) - materials science , ceramic , ozone , fabrication , dielectric barrier discharge , monoxide , nox , exhaust gas , dielectric , atmospheric temperature range , chemical engineering , analytical chemistry (journal) , optoelectronics , composite material , combustion , metallurgy , chemistry , environmental chemistry , organic chemistry , medicine , alternative medicine , pathology , engineering , physics , meteorology
The measurement of nitrogen monoxide ( NO ) concentration levels is an integral part of the elemental analysis. The chemiluminescent reaction with ozone in the gas phase is a well established method for the measurement of atmospheric concentration levels in the range from 4 ppb up to 100 ppm. In this contribution we present the design of a so called micro total analytical system for NO measurements designed in ceramic. Low temperature co‐fired ceramics have proven to be the ideal technology, since they offer high chemical and thermal stability as well as a high degree of freedom of design. The microfluidic system consists of three components: a dielectric barrier discharge device creating ozone, a reaction chamber with a glass window for collecting the emitted radiation, and an exhaust gas treatment consisting of a heated P t catalyst structure. The contribution focuses on a dielectric barrier for the ozone generator capable of withstanding 600 h of continuous operation, a manufacturing method for gas tight and vacuum proof sealing of cavities, and experimental results utilizing a P t conductor paste as a catalyst.