Daniel Zahn


Contact / Address


Helmholtz-Centre for Environmental Research – UFZ

Department Analytical Chemistry
Permoserstr. 15
DE-04318 Leipzig
Building 4.0, Room 218
Phone: 0341 235 4768

Research Topics

  • Analysis, occurrence and fate of persistent, mobile and toxic substances (PMT)
  • Transformation of anthropogenic organic contaminants in the environment and during water treatment
  • Identification of transformation products
  • Occurrence and fate of tire-borne organic contaminants
  • Analysis, occurrence and fate of water-soluble polymers

Curriculum Vitae

Since 2022 PostDoc, Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry
2019-2022 PostDoc and Lecturer,University of Applied Science Fresenius
2015-2019 PhD in Chemistry at University of Applied Science Fresenius/University of Leipzig
2013-2015 Master Bio- and Pharmazeucial Analysis University of Applied Science Fresenius
2008-2012 Bachelor Chemical Technology, University of Applied Science Darmstadt


Publication without UFZ-affiliation


I. J. Neuwald, D. Hübner, H. L. Wiegand, V. Valkov, U. Borchers, K. Nödler, M. Scheurer, S. E. Hale, H. P. H. Arp, D. Zahn: Occurrence, Distribution, and Environmental Behavior of Persistent, Mobile, and Toxic (PMT) and very Persistent and very Mobile (vPvM) Substances in the Sources of German Drinking Water, Environmental Science and Technology, 2022, 56, 10857-10867

G. Gollong, I. J. Neuwald, J. Kuckelkorn, R. Junek, D. Zahn: Assessing the protection gap for mobile and persistent chemicals during advanced water treatment - A study in a drinking water production and wastewater treatment plant, Water Research, 2022, 221, 118847

I. J. Neuwald, D. Hübner, H. L. Wiegand, V. Valkov, U. Borchers, K. Nödler, M. Scheurer, S. E. Hale, H. P. H. Arp, D. Zahn: Ultra-short-chain PFASs in the Sources of German Drinking Water: Prevalent, overlooked, difficult to remove, and unregulated, Environmental Science and Technology, 2022, 56, 6380-6390

K. Müller, D. Hübner, S. Huppertsberg, T. P. Knepper, D. Zahn: Probing the chemical complexity of tires: Identification of potential tire-borne water contaminants with high-resolution mass spectrometry, Science of the Total Environment, 2022, 802, 149799


I. J. Neuwald, M. Muschket, D. Zahn, U. Berger, B. Seiwert, T. Meier, J. Kuckelkron, C. Strobel, T. P. Knepper, T. Reemtsma: Filling the knowledge gap: A suspect screening study for 1300 potentially persistent and mobile chemicals with SFC- and HILIC-HRMS in two German river systems, Water Research, 2021, 204, 117645

P. Hehet, N. Köke, D. Zahn, T. Frömel, T. Rößler, T. P. Knepper, M. Pütz: Synthetic cannabinoid receptor agonists and their human metabolites in sewage water: Stability assessment and identification of transformation products, Drug Testing and Analysis, 2021, 13, 1758


D. Zahn, T. Frömel: Finding a needle in a haystack – analyte-driven tools and techniques for information extraction and prioritization of chemicals from environmental (chromatography-)HRMS nontarget screening data, Current Opinion in Environmental Science & Health, 2020, 18, 70-78

S. Huppertsberg, D. Zahn, F. Pauelsen, T. Reemtsma, T. P. Knepper: Making waves: Water-soluable polymers in the aquatic environment: an overlooked class of synthetic polymers?, Water Research, 2020, 181, 115931

I. J. Neuwald, D. Zahn, T. P. Knepper: Are (fluorinated) ionic liquids relevant environmental contaminants? High-resolution mass spectrometric screening for per- and polyfluoroalkyl substances in environmental water samples led to the detection of a fluorinated ionic liquid, Analytical and Bioanalytical Chemistry, 2020, 412, 4881-4892

K. Müller, D. Zahn, T. Frömel, T. P. Knepper: Matrix effects in the analysis of polar organic water contaminants with HILIC-ESI-MS, Analytical and Bioanalytical Chemistry, 2020, 412, 4867-4879

D. Zahn, I. J. Neuwald, T. P. Knepper: Analysis of mobile chemicals in the aquatic environment – current capabilities, limitations, and future perspectives, Analytical and Bioanalytical Chemistry, 2020, 412, 4763-4784


D. Zahn, R. Meusinger, T. Frömel, T. P. Knepper: Halomethanesulfonic acids – a new class of polar disinfection byproducts: standard synthesis, occurrence, and indirect assessment of mitigation options, Environmental Science and Technology, 2019, 53, 8994-9002

S. Schulze, D. Zahn, R. Montes, R. Rodil, J. Quintana, T. P. Knepper, T. Reemtsma, U. Berger: Occurrence of emerging persistent and mobile organic contaminants in European water samples, Water Research, 2019, 153, 80-90

D. Zahn, P. Mucha, V. Zilles, A. Touffet, H. Gallard, T. P. Knepper, T. Frömel: Identification of mobile and persistent transformation products of REACH-registered chemicals and their occurrence in surface waters, Water Research, 2019, 150, 86-96


N. Köke, D. Zahn, T. P. Knepper, T. Frömel: Multi-layer solid-phase extraction and evaporation – enrichment methods for polar organic chemicals from aqueous matrices, Analytical and Bioanalytical Chemistry, 2018, 410, 2403-2411


D. Zahn, T. Frömel, T. P. Knepper: Halogenated methanesulfonic acids: A new class of organic micropollutants in the water cycle, Water Research, 2016, 101, 292-299