H. 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.

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

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

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

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.

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.

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.