R. Zimmermann

发表

On-line monitoring of traces of aromatic-, phenolic- and chlorinated components in flue gases of industrial scale incinerators and cigarette smoke by direct-inlet laser ionization-mass spectrometry (REMPI-TOFMS)

H. J. Heger, A. Kettrup, R. Zimmermann, 1999 .

On-Line Emission Analysis of Polycyclic Aromatic Hydrocarbons down to pptv Concentration Levels in the Flue Gas of an Incineration Pilot Plant with a Mobile Resonance-Enhanced Multiphoton Ionization Time-of-Flight Mass Spectrometer.

A. Kettrup, M. Beckmann, R. Zimmermann, 1999, Analytical chemistry.

Rapid and direct volatile compound profiling of black and green teas (Camellia sinensis) from different countries with PTR-ToF-MS.

Franco Biasioli, Ralf Zimmermann, Günther K Bonn, 2016, Talanta.

Identification of surrogate compounds for the emission of PCdd/F (I-TEQ value) and evaluation of their on-line real-time detectability in flue gases of waste incineration plants by REMPI-TOFMS mass spectrometry.

K. Schramm, A. Kettrup, R. Zimmermann, 2001, Chemosphere.

Chlorobenzenes and Chlorophenols as Indicator Parameters for Chlorinated Dibenzodioxins and Dibenzofurans in Incineration Processes: Influences of Various Facilities and Sampling Points

D. Lenoir, K. Schramm, A. Kettrup, 1998 .

On-line emission control of combustion processes by laser-induced resonance-enhanced multi-photon ionization/mass spectrometry

D. Lenoir, A. Kettrup, R. Zimmermann, 1996 .

On-line analysis of gas-phase composition in the combustion chamber and particle emission characteristics during combustion of wood and waste in a small batch reactor.

K. Hafner, R. Warnecke, J. Maguhn, 2005, Environmental science & technology.

Application of infrared laser desorption vacuum-UV single-photon ionization mass spectrometry for analysis of organic compounds from particulate matter filter samples.

F. Mühlberger, R. Zimmermann, T. Ferge, 2005, Analytical chemistry.

Fast determination of the relative elemental and organic carbon content of aerosol samples by on-line single-particle aerosol time-of-flight mass spectrometry.

M. Frank, H. Tobias, E. Gard, 2006, Environmental science & technology.

Measurement System for Characterization of Gas and Particle Phase of High Temperature Combustion Aerosols

R. Warnecke, J. Maguhn, R. Zimmermann, 2010 .

Extraction kinetics of tea aroma compounds as a function brewing temperature, leaf size and water hardness

F. Biasioli, T. Märk, G. Bonn, 2020 .

Real-time monitoring of 4-vinylguaiacol, guaiacol, and phenol during coffee roasting by resonant laser ionization time-of-flight mass spectrometry.

C. Yeretzian, A. Kettrup, R. Zimmermann, 2003, Journal of agricultural and food chemistry.

Thermal Formation of Polychlorinated Dibenzo-p-dioxins and -furans: Investigations on Relevant Pathways

D. Lenoir, K. Schramm, R. Zimmermann, 1998 .

Persistence of aroma volatiles in the oral and nasal cavities: real-time monitoring of decay rate in air exhaled through the nose and mouth

C. Yeretzian, R. Zimmermann, J. A. Sánchez-López, 2016, Journal of breath research.

Insight into the time-resolved extraction of aroma compounds during espresso coffee preparation: online monitoring by PTR-ToF-MS.

C. Yeretzian, R. Zimmermann, J. A. Sánchez-López, 2014, Analytical chemistry.

On-line measurement of chlorobenzene in waste incineration flue gas as a surrogate for the emission of polychlorinated dibenzo-p-dioxins/furans (I-TEQ) using mobile resonance laser ionization time-of-flight mass spectrometry

H. J. Heger, K. Schramm, A. Kettrup, 1999 .

Estimation of the dioxin emission (PCDD/FI-TEQ) from the concentration of low chlorinated aromatic compounds in the flue and stack gas of a hazardous waste incinerator

D. Lenoir, K. Schramm, A. Kettrup, 1999 .

Analysis of Polycyclic Aromatic Hydrocarbons (PAH) Adsorbed on Soot Particles by Fourier Transform Laser Microprobe Mass Spectrometry (FT LMMS): Variation of the PAH Patterns at Different Positions in the Combustion Chamber of an Incineration Plant

L. Vaeck, F. Adams, M. Beckmann, 2000 .

Investigation of the Mechanisms of Heat Exchanger Corrosion in a Municipal Waste Incineration Plant by Analysis of the Raw Gas and Variation of Operating Parameters

R. Warnecke, J. Maguhn, R. Zimmermann, 2009 .

Influence of combustion conditions on the PCDD/F-, PCB-, PCBz- and PAH-concentrations in the post-combustion chamber of a waste incineration pilot plant.

K. Schramm, A. Kettrup, R. Zimmermann, 2000, Chemosphere.

Patterns of isomers of chlorinated dibenzo-p-dioxins as tool for elucidation of thermal formation mechanisms

Karl-Werner Schramm, Ralf Zimmermann, Antonius Kettrup, 1998 .

Three-Dimensional Trace Analysis: Combination of Gas Chromatography, Supersonic Beam UV Spectroscopy and Time-of-Flight Mass Spectrometry

R. Zimmermann, U. Boesl, A. Kettrup, 1995 .

THE IONIZATION ENERGIES OF POLYCHLORINATED DIBENZO-P-DIOXINS: NEW EXPERIMENTAL RESULTS AND THEORETICAL STUDIES

D. Lenoir, R. Zimmermann, U. Boesl, 1995 .

A mobile laser mass spectrometer (REMPI-TOFMS) for continuous monitoring of toxic combustion byproducts: Real-time on-line analysis of PAH in waste incineration flue gases

Ralf Zimmermann, Ulrich Boesl, Antonius Kettrup, 1998 .

Hyphenation of gas chromatography and resonance-enhanced laser mass spectrometry (REMPI-TOFMS) : A multidimensional analytical technique

A. Kettrup, R. Zimmermann, H. Heger, 1997 .

PCDD/F and other micropollutants in MSWI crude gas and ashes during plant start-up and shut-down processes.

Ralf Zimmermann, Antonius Kettrup, A. Kettrup, 2006, Environmental science & technology.

Emission of nonchlorinated and chlorinated aromatics in the flue gas of incineration plants during and after transient disturbances of combustion conditions: delayed emission effects.

K. Schramm, A. Kettrup, R. Zimmermann, 2001, Environmental science & technology.

Pcdd/pcdf and other micropollutants in MSWI ashes and flue gas during shutdown and start-up processes

R. Zimmermann, H. Nordsieck, K. Neuer-Etscheidt, 2003 .

Extraction kinetics of coffee aroma compounds using a semi-automatic machine : on-line analysis by PTR-ToF-MS

Marco Wellinger, Alexia N. Gloess, C. Yeretzian, 2016 .

A Mobile Resonance‐enhanced Multiphoton Ionization Time‐of‐flight Mass Spectrometry Device for On‐line Analysis of Aromatic Pollutants in Waste Incinerator Flue Gases: First Results

H. J. Heger, A. Kettrup, R. Zimmermann, 1997 .

On-line real-time measurements at incineration plants: PAHs and a PCDD/F surrogate compound at stationary combustion conditions and during transient emission puffs.

A. Kettrup, R. Zimmermann, H. Heger, 2001, Chemosphere.

A Novel Interface for Optimized Coupling of Gas Chromatography and Supersonic Jet Spectroscopy

H. J. Heger, A. Kettrup, R. Zimmermann, 1999 .

On-Line Resonance-Enhanced Multiphoton Ionization Time-of-Flight Laser Mass Spectrometry for Combined Multi-Component-Pattern Analysis and Target-Compound Monitoring: Non-Chlorinated Aromatics and Chlorobenzene in Flue Gases of Combustion Processes

H. J. Heger, A. Kettrup, R. Zimmermann, 1999 .

Direct analysis of products from plant material pyrolysis

A. Kettrup, R. Zimmermann, R. Dorfner, 1999 .

Particle collection efficiency and particle re-entrainment of an electrostatic precipitator in a sewage sludge incineration plant.

Ralf Zimmermann, J. Maguhn, R. Zimmermann, 2004, Environmental science & technology.

Laser mass spectrometry as on-line sensor for industrial process analysis: process control of coffee roasting.

C. Yeretzian, A. Kettrup, R. Zimmermann, 2004, Analytical chemistry.

Single particle analysis of standard soot samples for fast determination of EC/OC values

M. Frank, H. Tobias, E. Gard, 2004 .

REMPI-TOFMS for on-line monitoring and controlling the coffee roasting process

C. Yeretzian, A. Kettrup, R. Zimmermann, 2002 .

Laser ionization mass spectrometry (REMPI-TOFMS) for on-line analysis of volatiles in food science: Coffee-roasting and headspace experiments

C. Yeretzian, A. Kettrup, R. Zimmermann, 1998 .

Application of Laser Ionization Mass Spectrometry for On‐line Monitoring of Volatiles in the Headspace of Food Products: Roasting and Brewing of Coffee

H. J. Heger, C. Yeretzian, R. Zimmermann, 1996 .

Dioxin surrogates: A comparison of approaches

T. Öberg, R. Zimmermann, H. Nordsieck, 2002 .

Application of monochlorobenzene as a reliable surrogate for the prediction of the I-TEQ value in combustion facilities

K. Schramm, A. Kettrup, R. Zimmermann, 2000 .

Formation of PAH and PCDD/F in industrial incineration plants : Memory effects after disturbed combustion conditions due to deposits in the high temperature region

K. Schramm, A. Kettrup, R. Zimmermann, 2000 .

On-line analysis of the size distribution of fine and ultrafine aerosol particles in flue and stack gas of a municipal waste incineration plant: effects of dynamic process control measures and emission reduction devices.

Ralf Zimmermann, Antonius Kettrup, E. Karg, 2003, Environmental science & technology.

Application of two-dimensional gas chromatography combined with pixel-based chemometric processing for the chemical profiling of illicit drug samples.

R Zimmermann, K. Drew, M. Pütz, 2008, Journal of chromatography. A.

Resonance Ionization Laser Mass Spectrometry: New possibilities for on-line analysis of waste incinerator emissions

D. Lenoir, A. Kettrup, R. Zimmermann, 1997 .

In-line catalytic derivatization method for selective detection of chlorinated aromatics with a hyphenated gas chromatography/laser mass spectrometry technique: a concept for comprehensive detection of isomeric ensembles.

R. Zimmermann, H. Heger, E. R. Rohwer, 1999, Analytical chemistry.

Direct observation of the formation of aromatic pollutants in waste incineration flue gases by on-line REMPI-TOFMS laser mass spectrometry

A. Kettrup, R. Zimmermann, H. Heger, 2000, Fresenius' journal of analytical chemistry.