In situ measurement of ammonia with a 13CO2-waveguide laser system
作者： W. Meienburg , H. Neckel , J. Wolfrum
DOI: 10.1007/BF00326006
关键词:
摘要: A laser gas monitoring system has been developed to measure in situ concentrations of ammonia at various temperatures. The concentration is determined by measuring absorption with a tunable 13CO2 waveguide that frequency modulated between two adjacent emission lines. One line coincides strong line, while the other used as reference. By this referencing autocalibrated continuously. high spectral resolution suppresses interferences species. was built up be industrial environment and successfully applied chemical industry several power plants. detection limit 1 ppm could reached time constant 5 s.
springer.com
harvard.edu
sci-hub.se 参考文章(13)
Monitoring of gaseous pollutants by tunable diode lasers Springer Netherlands. ,(1987) , 10.1007/978-94-009-0989-2
R. R. Patty, G. M. Russwurm, W. A. McClenny, D. R. Morgan, CO 2 Laser Absorption Coefficients for Determining Ambient Levels of O 3 , NH 3 , and C 2 H 4 Applied Optics. ,vol. 13, pp. 2850- 2854 ,(1974) , 10.1364/AO.13.002850
Laser monitoring of the atmosphere Berlin and New York. ,vol. 14, ,(1976) , 10.1007/3-540-07743-X
F. Janssen, F. Van Den Kerkhof, J. Lefers, P. Lodder, L. Luierweert, The determination of ammonia in flue gas from the selective catalytic reduction of nitric oxide with ammonia Analytica Chimica Acta. ,vol. 190, pp. 245- 254 ,(1986) , 10.1016/S0003-2670(00)82886-X
Alexander Stein, T. R. Todd, B. N. Perry, Carbon dioxide laser monitor for NH 3 in flue gas Applied Optics. ,vol. 22, pp. 3378- 3381 ,(1983) , 10.1364/AO.22.003378
A. Kaldor, R.L. Woodin, Applications of lasers to chemical processing Proceedings of the IEEE. ,vol. 70, pp. 565- 578 ,(1982) , 10.1109/PROC.1982.12355
H. Neckel, J. Wolfrum, IR diode laser measurements of the NH3(v2) band at different temperatures Applied Physics B. ,vol. 49, pp. 85- 89 ,(1989) , 10.1007/BF00332266
A. Olafsson, M. Hammerich, J. B�low, J. Henningsen, Photoacoustic detection of NH 3 in power plant emission with a CO 2 laser Applied Physics B. ,vol. 49, pp. 91- 97 ,(1989) , 10.1007/BF00332267
F.W. Taylor, Spectral data for the ν2 bands of ammonia with applications to radiative transfer in the atmosphere of jupiter Journal of Quantitative Spectroscopy & Radiative Transfer. ,vol. 13, pp. 1181- 1217 ,(1973) , 10.1016/0022-4073(73)90088-5
S. Chirikov, S. Kornilov, E. Protsenko, Two-frequency waveguide CO2 laser for atmospheric pollution monitoring Applied Physics B. ,vol. 39, pp. 135- 140 ,(1986) , 10.1007/BF00694809