caa a22 4500 445368764 CHVBK 20180317142939.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s00340-010-4322-1 doi (NATIONALLICENCE)springer-10.1007/s00340-010-4322-1 Measurement of CO amount fractions using a pulsed quantum-cascade laser operated in the intrapulse mode [Elektronische Daten] [J. Nwaboh, O. Werhahn, D. Schiel] Carbon monoxide (CO) is an important molecule for environmental monitoring, industrial process control, and a biomarker in exhaled human breath. Obtaining reliable and traceable data is indispensable. We employed direct absorption spectroscopy-based absolute amount fraction measurements of CO in a gravimetrically prepared gas mixture. Aquantum-cascade laser operated in the intrapulse mode was used to probe the P(1) line of CO at 2139.4cm−1. The spectrometrically determined CO amount fraction agrees perfectly with the gravimetric reference value. We focused on the method, the uncertainty analysis of the spectrometry-based data retrieval and the respective traceability of input parameters to the SI. An uncertainty budget is presented. Our reproducibility is better than 1%. The relative deviation of the spectrometric CO amount fractions from the gravimetric reference value reads minus 1.8%, which is covered by a 4% relative expanded uncertainty of single measurements (k=2). Springer-Verlag, 2010 Nwaboh J. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut Werhahn O. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut Schiel D. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut Applied Physics B Springer-Verlag 103/4(2011-06-01), 947-957 0946-2171 103:4<947 2011 103 340 https://doi.org/10.1007/s00340-010-4322-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00340-010-4322-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nwaboh J. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut NATIONALLICENCE 700 1- Werhahn O. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut NATIONALLICENCE 700 1- Schiel D. Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116, Braunschweig, Germany aut NATIONALLICENCE 773 0- Applied Physics B Springer-Verlag 103/4(2011-06-01), 947-957 0946-2171 103:4<947 2011 103 340 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer