Hans Jörg Heger

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

Hans Jörg Heger, Ralf Zimmermann, Ralph Dorfner et al. · Analytical Chemistry · 1998 · 162 citations

Natural Sciences, Chemical Engineering, Chemistry +17

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

Ralf Zimmermann, Hans Jörg Heger, M. Blumenstock et al. · Rapid Communications in Mass Spectrometry · 1999 · 72 citations

Natural Sciences, Chemical Engineering, Chemistry +16

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

Ralf Zimmermann, Hans Jörg Heger, Chahan Yeretzian et al. · Rapid Communications in Mass Spectrometry · 1996 · 54 citations · Full text

Natural Sciences, Chemistry, Food Science +17

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

Hans Jörg Heger, Ulrich Boesl, Ralf Zimmermann et al. · European Journal of Mass Spectrometry · 1999 · 17 citations

Natural Sciences, Chemistry, Analytical Chemistry +12

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

Ralf Zimmermann, Egmont R. Rohwer, Hans Jörg Heger · Analytical Chemistry · 1999 · 16 citations

Natural Sciences, Chemical Engineering, Chemistry +17