Browsing by Author Hoffmann, Thorsten

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58682.pdf.jpg201810-Dec-2018Advances in bromine speciation in volcanic plumesGutmann, Alexandra; Bobrowski, Nicole; Roberts, Tjarda Jane; Rüdiger, Julian; Hoffmann, Thorsten
weloe_marcel-application_of-20210128123244675.pdf.jpg202128-Jan-2021Application of time-of-flight aerosol mass spectrometry for the real-time measurement of particle-phase organic peroxides: an online redox derivatization–aerosol mass spectrometer (ORD-AMS)Weloe, Marcel; Hoffmann, Thorsten
20124-Oct-2022First measurements of reactive α-dicarbonyl concentrations on PM<sub>2.5</sub> aerosol over the Boreal forest in Finland during HUMPPA-COPEC 2010 - source apportionment and links to aerosol agingKampf, Christopher Johannes; Corrigan, Ashley L.; Johnson, A. M.; Song, W.; Keronen, P.; Königstedt, Rainer; Williams, Jonathan; Russell, L. M.; Petäjä, T.; Fischer, H.; Hoffmann, Thorsten
20124-Oct-2022Formation of 3-methyl-1,2,3-butanetricarboxylic acid via gas phase oxidation of pinonic acid : a mass spectrometric study of SOA agingMüller, Lars; Reinnig, Marc-Christopher; Naumann, K. H.; Saathoff, H.; Mentel, T. F.; Donahue, N. M.; Hoffmann, Thorsten
rüdiger_julian-copernicus__ha-20211203113806666.pdf.jpg20217-Dec-2021Halogen activation in the plume of Masaya volcano : field observations and box model investigationsRüdiger, Julian; Gutmann, Alexandra; Bobrowski, Nicole; Liotta, Marcello; Moor, J. Maarten de; Sander, Rolf; Dinger, Florian; Tirpitz, Jan-Lukas; Ibarra, Martha; Saballos, Armando; Martínez, María; Mendoza, Elvis; Ferrufino, Arnoldo; Stix, John; Valdés, Juan; Castro, Jonathan; Hoffmann, Thorsten
identification_and_characteri-20220712204503235.pdf.jpg201213-Jul-2022Identification and characterization of aging products in the glyoxal/ammonium sulfate system : implications for light-absorbing material in atmospheric aerosolsKampf, Christopher Johannes; Jakob, Ronit; Hoffmann, Thorsten
58550.pdf.jpg20187-Nov-2018Implementation of electrochemical, optical and denuder-based sensors and sampling techniques on UAV for volcanic gas measurements : examples from Masaya, Turrialba and Stromboli volcanoesRüdiger, Julian; Tirpitz, Jan-Lukas; Moor, J. Maarten de; Bobrowski, Nicole; Gutmann, Alexandra; Liuzzo, Marco; Ibarra, Martha; Hoffmann, Thorsten
59556.pdf.jpg201918-Feb-2020Lignin oxidation products as a potential proxy for vegetation and environmental changes in speleothems and cave drip water : a first record from the Herbstlabyrinth, central GermanyHeidke, Inken; Scholz, Denis; Hoffmann, Thorsten
heidke_inken-copernicus__li-20211203112720291.pdf.jpg20217-Dec-2021Lignin oxidation products in soil, dripwater and speleothems from four different sites in New ZealandHeidke, Inken; Hartland, Adam; Scholz, Denis; Pearson, Andrew; Hellstrom, John; Breitenbach, Sebastian F. M.; Hoffmann, Thorsten
58551.pdf.jpg20187-Nov-2018Quantification of lignin oxidation products as vegetation biomarkers in speleothems and cave drip waterHeidke, Inken; Scholz, Denis; Hoffmann, Thorsten