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Scientific Articles - PTR-MS Bibliography

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Found 15 results
Title [ Year(Asc)]
Filters: Author is Holzinger, R  [Clear All Filters]
2010
[Holzinger2010] Holzinger, R., J. Williams, F. Herrmann, J. Lelieveld, NM. Donahue, and T. Roeckmann, "Aerosol analysis using a Thermal-Desorption Proton-Transfer-Reaction Mass Spectrometer (TD-PTR-MS): a new approach to study processing of organic aerosols", Atmospheric chemistry and physics, vol. 10, no. 5: Copernicus Publications, pp. 2257–2267, 2010.
Link: http://igitur-archive.library.uu.nl/phys/2011-0323-200410/UUindex.html
Abstract
We present a novel analytical approach to measure the chemical composition of organic aerosol. The new instrument combines proton-transfer-reaction mass-spectrometry (PTR-MS) with a collection-thermal-desorption aerosol sampling technique. For secondary organic aerosol produced from the reaction of ozone with isoprenoids in a laboratory reactor, the TD-PTR-MS instrument detected typically 80% of the mass that was measured with a scanning mobility particle sizer (SMPS). The first field deployment of the instrument was the EUCAARI-IOP campaign at the CESAR tall tower site in the Netherlands. For masses with low background values (∼30% of all masses) the detection limit of aerosol compounds was below 0.2 ng/m3 which corresponds to a sampled compound mass of 35 pg. Comparison of thermograms from ambient samples and from chamber-derived secondary organic aerosol shows that, in general, organic compounds from ambient aerosol samples desorb at much higher temperatures than chamber samples. This suggests that chamber aerosol is not a good surrogate for ambient aerosol and therefore caution is advised when extrapolating results from chamber experiments to ambient conditions
[Holzinger2010a] Holzinger, R., A. Kasper-Giebl, M. Staudinger, G. Schauer, and T. Roeckmann, "Analysis of the chemical composition of organic aerosol at the Mt. Sonnblick observatory using a novel high mass resolution thermal-desorption proton-transfer-reaction mass-spectrometer (hr-TD-PTR-MS)", Atmospheric chemistry and physics, vol. 10, no. 20: Copernicus Publications, pp. 10111–10128, 2010.
Link: http://igitur-archive.library.uu.nl/phys/2011-0323-200408/UUindex.html
Abstract
For the first time a high mass resolution thermal desorption proton transfer reaction mass spectrometer (hr-TD-PTR-MS) was deployed in the field to analyze the composition of the organic fraction of aerosols. We report on measurements from the remote Mt. Sonnblick observatory in the Austrian alps (3108 m a.s.l.) during a 7 week period in summer 2009. A total of 638 mass peaks in the range 18-392 Da were detected and quantified in aerosols. An empirical formula was tentatively attributed to 464 of these compounds by custom-made data analysis routines which consider compounds containing C, H, O, N, and S atoms. Most of the other (unidentified) compounds must contain other elements – most likely halogenated compounds. The mean total concentration of all detected compounds was 1.1 μg mg-3. Oxygenated hydrocarbons constitute the bulk of the aerosol mass (75%) followed by organic nitrogen compounds (9%), inorganic compounds (mostly NH3, 8%), unidentified/halogenated (3.8%), hydrocarbons (2.7%), and organic sulfur compounds (0.8%). The measured O/C ratios are lower than expected and suggest a significant effect from charring. Organic carbon concentrations measured with TD-PTR-MS were about 25% lower than measurements on high volume filter samples
2005
[Lee2005] Lee, A., GW. Schade, R. Holzinger, and AH. Goldstein, "A comparison of new measurements of total monoterpene flux with improved measurements of speciated monoterpene flux", Atmospheric Chemistry and Physics, vol. 5, no. 2: Copernicus GmbH, pp. 505–513, 2005.
Link: http://www.atmos-chem-phys.net/5/505/2005/acp-5-505-2005.pdf
2004
[Christian2004] Christian, TJ., B. Kleiss, RJ. Yokelson, R. Holzinger, PJ. Crutzen, WM. Hao, T. Shirai, and DR. Blake, "Comprehensive laboratory measurements of biomass-burning emissions: 2. First intercomparison of open-path FTIR, PTR-MS, and GC-MS/FID/ECD", Journal of geophysical research, vol. 109, no. D2: American Geophysical Union, pp. D02311, 2004.
Link: http://www.agu.org/pubs/crossref/2004/2003JD003874.shtml
Abstract
Oxygenated volatile organic compounds (OVOC) can dominate atmospheric organic chemistry, but they are difficult to measure reliably at low levels in complex mixtures. Several techniques that have been used to speciate nonmethane organic compounds (NMOC) including OVOC were codeployed/intercompared in well-mixed smoke generated by 47 fires in the U.S. Department of Agriculture Forest Service Fire Sciences Combustion Facility. The agreement between proton transfer reaction mass spectrometry (PTR-MS) and open-path Fourier transform infrared spectroscopy (OP-FTIR) was excellent for methanol (PT/FT = 1.04 ± 0.118) and good on average for phenol (0.843 ± 0.845) and acetol (∼0.81). The sum of OP-FTIR mixing ratios for acetic acid and glycolaldehyde agreed (within experimental uncertainty) with the PTR-MS mixing ratios for protonated mass 61 (PT/FT = 1.17 ± 0.34), and the sum of OP-FTIR mixing ratios for furan and isoprene agreed with the PTR-MS mixing ratios for protonated mass 69 (PT/FT = 0.783 ± 0.465). The sum of OP-FTIR mixing ratios for acetone and methylvinylether accounted for most of the PTR-MS protonated mass 59 signal (PT/FT = 1.29 ± 0.81), suggesting that one of these compounds was underestimated by OP-FTIR or that it failed to detect other compounds that could contribute at mass 59. Canister grab sampling followed by gas chromatography (GC) with mass spectrometry (MS), flame ionization detection (FID), and electron capture detection (ECD) analysis by two different groups agreed well with OP-FTIR for ethylene, acetylene, and propylene. However, these propylene levels were below those observed by PTR-MS (PT/FT = 2.33 ± 0.89). Good average agreement between PTR-MS and GC was obtained for benzene and toluene. At mixing ratios above a few parts per billion the OP-FTIR had advantages for measuring sticky compounds (e.g., ammonia and formic acid) or compounds with low proton affinity (e.g., hydrogen cyanide and formaldehyde). Even at these levels, only the PTR-MS measured acetonitrile and acetaldehyde. Below a few ppbv only the PTR-MS measured a variety of OVOC, but the possibility of fragmentation, interference, and sampling losses must be considered.
2003
[Christian2003] Christian, TJ., B. Kleiss, RJ. Yokelson, R. Holzinger, PJ. Crutzen, WM. Hao, BH. Saharjo, and DE. Ward, "Comprehensive laboratory measurements of biomass-burning emissions: 1. Emissions from Indonesian, African, and other fuels", J. Geophys. Res, vol. 108, no. 4719, pp. 1–4719, 2003.
Link: http://www.agu.org/pubs/crossref/2003/2003JD003704.shtml
Abstract
Trace gas and particle emissions were measured from 47 laboratory fires burning 16 regionally to globally significant fuel types. Instrumentation included the following: open-path Fourier transform infrared spectroscopy; proton transfer reaction mass spectrometry; filter sampling with subsequent analysis of particles with diameter <2.5 μm for organic and elemental carbon and other elements; and canister sampling with subsequent analysis by gas chromatography (GC)/flame ionization detector, GC/electron capture detector, and GC/mass spectrometry. The emissions of 26 compounds are reported by fuel type. The results include the first detailed measurements of the emissions from Indonesian fuels. Carbon dioxide, CO, CH4, NH3, HCN, methanol, and acetic acid were the seven most abundant emissions (in order) from burning Indonesian peat. Acetol (hydroxyacetone) was a major, previously unobserved emission from burning rice straw (21–34 g/kg). The emission factors for our simulated African fires are consistent with field data for African fires for compounds measured in both the laboratory and the field. However, the higher concentrations and more extensive instrumentation in this work allowed quantification of at least 10 species not previously quantified for African field fires (in order of abundance): acetaldehyde, phenol, acetol, glycolaldehyde, methylvinylether, furan, acetone, acetonitrile, propenenitrile, and propanenitrile. Most of these new compounds are oxygenated organic compounds, which further reinforces the importance of these reactive compounds as initial emissions from global biomass burning. A few high-combustion-efficiency fires emitted very high levels of elemental (black) carbon, suggesting that biomass burning may produce more elemental carbon than previously estimated.
[Salisbury2003] Salisbury, G., J. Williams, R. Holzinger, V. Gros, N. Mihalopoulos, M. Vrekoussis, R. Sarda-Esteve, H. Berresheim, R. von Kuhlmann, M. Lawrence, et al., "Ground-based PTR-MS measurements of reactive organic compounds during the MINOS campaign in Crete, July–August 2001", Atmospheric Chemistry and Physics, vol. 3, no. 4: Copernicus GmbH, pp. 925–940, 2003.
Link: http://www.atmos-chem-phys.net/3/925/2003/acp-3-925-2003.pdf
Abstract
This study presents measurements of acetonitrile, benzene, toluene, methanol and acetone made using the proton-transfer-reaction mass spectrometry (PTR-MS) technique at the Finokalia ground station in Crete during the Mediterranean INtensive Oxidant Study (MINOS) in July-August 2001. Three periods during the campaign with broadly consistent back trajectories are examined in detail. In the first, air was advected from Eastern Europe without significant biomass burning influence (mean acetonitrile mixing ratio 154 pmol/mol). In the second period, the sampled air masses originated in Western Europe, and were advected approximately east-south-east, before turning south-west over the Black Sea and north-western Turkey. The third well-defined period included air masses advected from Eastern Europe passing east and south of/over the Sea of Azov, and showed significant influence by biomass burning (mean acetonitrile mixing ratio 436 pmol/mol), confirmed by satellite pictures. The mean toluene:benzene ratios observed in the three campaign periods described were 0.35, 0.37 and 0.22, respectively; the use of this quantity to determine air mass age is discussed. Methanol and acetone were generally well-correlated both with each other and with carbon monoxide throughout the campaign. Comparison of the acetone and methanol measurements with the MATCH-MPIC model showed that the model underestimated both species by a factor of 4, on average. The correlations between acetone, methanol and CO implied that the relatively high levels of methanol observed during MINOS were largely due to direct biogenic emissions, and also that biogenic sources of acetone were highly significant during MINOS ( 35%). This in turn suggests that the model deficit in both species may be due, at least in part, to missing biogenic emissions.
2001
[Williams2001] Williams, J., U. Poeschl, PJ. Crutzen, A. Hansel, R. Holzinger, C. Warneke, W. Lindinger, and J. Lelieveld, "An atmospheric chemistry interpretation of mass scans obtained from a proton transfer mass spectrometer flown over the tropical rainforest of Surinam", Journal of atmospheric chemistry, vol. 38, no. 2: Springer, pp. 133–166, 2001.
Link: http://www.springerlink.com/index/v26n6440307112k1.pdf
[Poeschl2001] Pöschl, U., J. Williams, P. Hoor, H. Fischer, PJ. Crutzen, C. Warneke, R. Holzinger, A. Hansel, A. Jordan, W. Lindinger, et al., "High acetone concentrations throughout the 0–12 km altitude range over the tropical rainforest in Surinam", Journal of atmospheric chemistry, vol. 38, no. 2: Springer, pp. 115–132, 2001.
Link: http://link.springer.com/article/10.1023/A:1006370600615
[Warneke2001a] Warneke, C., R. Holzinger, A. Hansel, A. Jordan, W. Lindinger, U. Poeschl, J. Williams, P. Hoor, H. Fischer, PJ. Crutzen, et al., "Isoprene and its oxidation products methyl vinyl ketone, methacrolein, and isoprene related peroxides measured online over the tropical rain forest of Surinam in March 1998", Journal of Atmospheric Chemistry, vol. 38, no. 2: Springer, pp. 167–185, 2001.
Link: http://www.springerlink.com/index/u14w8w3187r33ur2.pdf
2000
[Holzinger2000] Holzinger, R., L. Sandoval-Soto, S. Rottenberger, PJ. Crutzen, J. Kesselmeier, and , "Emissions of volatile organic compounds from Quercus ilex L. measured by proton transfer reaction mass spectrometry under different environmental conditions", Journal of Geophysical Research, vol. 105, no. D16, pp. 20573–20579, 2000.
Link: http://www.agu.org/journals/jd/jd0016/2000JD900296/pdf/2000JD900296.pdf
[Crutzen2000] Crutzen, PJ., J. Williams, U. Poeschl, P. Hoor, H. Fischer, C. Warneke, R. Holzinger, A. Hansel, W. Lindinger, B. Scheeren, et al., "High spatial and temporal resolution measurements of primary organics and their oxidation products over the tropical forests of Surinam", Atmospheric environment, vol. 34, no. 8: Elsevier, pp. 1161–1165, 2000.
Link: http://www.sciencedirect.com/science/article/pii/S1352231099004823
Abstract
Tropical forests with emissions greater than 1015 g C of reactive hydrocarbons per year strongly affect atmospheric chemistry. Here we report aircraft-borne measurements of organics during March 1998 in Surinam, a largely unpolluted region which is optimally located to study chemical processes induced by tropical forest emissions. Isoprene and its degradation products methylvinyl ketone (MVK) and methacrolein (MACR) and possibly isoprene hydroperoxides (ISOHP), were measured in the nmol mol−1 volume mixing ratio (VMR) range, consistent with estimated emissions and model calculations. In addition, high VMRs of some non-isoprene-derived organics were measured, such as acetone (≈2–4 nmol mol1 up to 12 km altitude), an important source of HO and HO2 in the upper troposphere. Moreover, several masses were measured at significant mixing ratios which could not be identified by reference to previous field measurements or gas-phase isoprene chemistry. High VMRs, almost 0.4 nmol mol−1, were also recorded for a compound which is most likely dimethyl sulphide (DMS). If so, boundary layer loss of HO by reactions with hydrocarbons and their oxidation products strongly prolongs the lifetime of DMS, allowing its transport deep into the Amazon forest south of the intertropical convergence zone (ITCZ). We postulate greater sulphate production and deposition north than south of the (ITCZ) with possible consequences for cloud and ecosystem properties.
1999
[Hansel1999] Hansel, A., A. Jordan, C. Warneke, R. Holzinger, A. Wisthaler, and W. Lindinger, "Proton-transfer-reaction mass spectrometry (PTR-MS): on-line monitoring of volatile organic compounds at volume mixing ratios of a few pptv", Plasma Sources Science and Technology, vol. 8, no. 2: IOP Publishing, pp. 332, 1999.
Link: http://iopscience.iop.org/0963-0252/8/2/314
[Boschetti1999] Boschetti, A., F. Biasioli, M. Van Opbergen, C. Warneke, A. Jordan, R. Holzinger, P. Prazeller, T. Karl, A. Hansel, W. Lindinger, et al., "PTR-MS real time monitoring of the emission of volatile organic compounds during postharvest aging of berryfruit", Postharvest Biology and Technology, vol. 17, no. 3: Elsevier, pp. 143–151, 1999.
Link: http://www.sciencedirect.com/science/article/pii/S0925521499000526
1998
[Hansel1998] Hansel, A., A. Jordan, C. Warneke, R. Holzinger, and W. Lindinger, "Improved detection limit of the proton-transfer reaction mass spectrometer: On-line monitoring of volatile organic compounds at mixing ratios of a few pptv", Rapid communications in mass spectrometry, vol. 12, no. 13: Wiley Online Library, pp. 871–875, 1998.
Link: http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1097-0231(19980715)12:13%3C871::AID-RCM245%3E3.0.CO;2-L/abstract
[Prazeller1998] Prazeller, P., T. Karl, A. Jordan, R. Holzinger, A. Hansel, and W. Lindinger, "Quantification of passive smoking using proton-transfer-reaction mass spectrometry", International journal of mass spectrometry, vol. 178, no. 3: Elsevier, pp. L1–L4, 1998.
Link: http://www.sciencedirect.com/science/article/pii/S1387380698141532

Featured Articles

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Selected PTR-MS related Reviews

F. Biasioli, C. Yeretzian, F. Gasperi, T. D. Märk: PTR-MS monitoring of VOCs and BVOCs in food science and technology, Trends in Analytical Chemistry 30 (7) (2011).
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J. de Gouw, C. Warneke, T. Karl, G. Eerdekens, C. van der Veen, R. Fall: Measurement of Volatile Organic Compounds in the Earth's Atmosphere using Proton-Transfer-Reaction Mass Spectrometry. Mass Spectrometry Reviews, 26 (2007), 223-257.
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W. Lindinger, A. Hansel, A. Jordan: Proton-transfer-reaction mass spectrometry (PTR–MS): on-line monitoring of volatile organic compounds at pptv levels, Chem. Soc. Rev. 27 (1998), 347-375.
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Lists with PTR-MS relevant publications of the University of Innsbruck can be found here: Atmospheric and indoor air chemistry, IMR, Environmental Physics and Nano-Bio-Physics

 

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