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  Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels

Kormann, R., Fischer, H., Gurk, C., Helleis, F., Klüpfel, T., Kowalski, K., et al. (2002). Application of a multi-laser tunable diode laser absorption spectrometer for atmospheric trace gas measurements at sub-ppbv levels. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 58(11), 2489-2498.

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Genre: Journal Article
Alternative Title : Spectroc. Acta Pt. A-Molec. Biomolec. Spectr.

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 Creators:
Kormann, R.1, Author              
Fischer, H.1, Author              
Gurk, C.1, Author              
Helleis, F.2, Author
Klüpfel, T.1, Author              
Kowalski, K.2, Author
Königstedt, R.1, Author              
Parchatka, U.1, Author              
Wagner, V.1, Author              
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              
2Max Planck Society, ou_persistent13              

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Free keywords: tunable diode laser absorption spectroscopy; calibration; tropospheric chemistry; atmospheric research
 Abstract: We describe the application of a three-laser tunable diode laser absorption spectrometer (TDLAS), called 'tracer in-situ TDLAS for atmospheric research' (TRISTAR), to measure nitrogen dioxide (NO,), formaldehyde (HCHO) and hydrogen peroxide (H2O2), during an intensive measurement campaign on Mt. Cimone (44degrees11'N, 10degrees42'E, 2165 m asl), Northern Appenines, Italy in June 2000 as part of the EU-project 'mineral dust and tropospheric chemistry' (MINATROC). The TRISTAR instrument was a major component of an instrument package, provided by the Max-Planck-Insitut fur Chemie, to investigate free tropospheric gas-phase chemistry over the Appenines. Here we discuss the optical, electronic, gas flow, and calibration setup of the TDLAS used during the campaign. We characterized extensively the instrument's performance during a preparatory phase in the laboratory and compared the laboratory results to the in-field results. Consistency checks with additional trace gas measurements obtained during the campaign create high confidence in the measured concentrations. Correlations between different trace gas species, along with other evaluation tools, allow a full chemical characterization of air masses to meet the goals of the campaign. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 14640
ISI: 000177891300020
 Degree: -

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Title: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
  Alternative Title : Spectroc. Acta Pt. A-Molec. Biomolec. Spectr.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 58 (11) Sequence Number: - Start / End Page: 2489 - 2498 Identifier: ISSN: 1386-1425