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9 matching references were found.

Helmig, D.; Greenberg, J., Artifact formation from the use of potassium-iodide-based ozone traps during atmospheric sampling of trace organic gases, J. Hi. Res. Chromatogr., 1995, 18, 1, 15-18, https://doi.org/10.1002/jhrc.1240180105 . [all data]

Helmig, D.; Klinger, L.F.; Guenther, A.; Vierling, L.; Geron, C.; Zimmerman, P., Biogenic volatile organic compound emissions (BVOCs). I. Identifications from three continental sites in the U.S., Chemosphere, 1999, 38, 9, 2163-2187, https://doi.org/10.1016/S0045-6535(98)00425-1 . [all data]

Helmig, D.; Arey, J., Analytical chemistry of airborne nitrofluorenes, Int. J. Environ. Anal. Chem., 1991, 43, 4, 219-233, https://doi.org/10.1080/03067319108027526 . [all data]

Helmig, D.; Arey, J., Analytical chemistry of four nitrodibenzopyranone isomers for ambient air analysis, Int. J. Environ. Anal. Chem., 1992, 49, 4, 207-219, https://doi.org/10.1080/03067319208027572 . [all data]

Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P., Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii, J. Geophys. Res., 1996, 101, D9, 14697-14710, https://doi.org/10.1029/96JD00212 . [all data]

Helmig, D.; Harger, W.P., OH radical-initiated gas-phase reaction products of phenanthrene, Sci. Total Environ., 1994, 148, 1, 11-21, https://doi.org/10.1016/0048-9697(94)90368-9 . [all data]

Helmig, D.; Bocquet, F.; Pollmann, J.; Revermann, T., Analytical techniques for sesquiterpene emission rate studies in vegetation enclosure experiments, Atmos. Environ., 2004, 38, 4, 557-572, https://doi.org/10.1016/j.atmosenv.2003.10.012 . [all data]

Helmig, D.; Revermann, T.; Pollmann, J.; Kaltschmidt, O.; Hernández, A.J.; Bocquet, F.; David, D., Calibration system and analytical considerations for quantitative sesquiterpene measurements in air, J. Chromatogr. A, 2003, 1002, 1-2, 193-211, https://doi.org/10.1016/S0021-9673(03)00619-8 . [all data]

Pollmann, J.; Helmig, D.; Hueber, J.; Tanner, D.; Tans, P.P., Evaluation of solid adsorbent materials for cryogen-free trapping-gas chromatographic analysis of atmospheric C2-C6 non-methane hydrocarbons, J. Chromatogr. A, 2006, 1134, 1-2, 1-15, https://doi.org/10.1016/j.chroma.2006.08.050 . [all data]