Literaturhinweise:

Ph. Schmitt-Kopplin, N. Hertkorn, H.R. Schulten, A. Kettrup,
Structural Changes in a Dissolved Soil Humic Acid during Photochemical Degradation Processes under O₂ and N₂ Atmosphere.
Environ. Sci. Technol. 32, (1998) 2531-2541.

Ph. Schmitt-Kopplin, N. Hertkorn, A. W. Garrison, D. Freitag, A. Kettrup,
Influence of Borate Buffers in the Electrophoretical Behavior of Humic Substances in Capillary Zone Electrophoresis,
Anal. Chem., 70 (1998) 3798-3808.

J. Junkers, Ph. Schmitt-Kopplin, J.-C. Munch, A. Kettrup,
Up-scaling capillary zone electrophoresis (CZE) separations of polydisperse anionic polyelectrolytes with preparative free flow electrophoresis (FFE) exemplified with a soil fulvic acid.
Electrophoresis, 23 (2002) 2872-2879.

N. Hertkorn, H. Claus, Ph. Schmitt-Kopplin, E. M. Perdue, Z. Filip,
Utilization and Transformations of Aquatic Substances by Autochthonous Microorganisms,
Environ. Sci. Technol., 36 (2002) 4334-4345.

N. Hertkorn, A. Permin, I. Perminova, D. Kovalevskii, M. Petrosyan, A. Kettrup,
Comparative Analysis of Partial Structures of a Peat Humic and Fulvic Acid Using One- and Two-Dimensional Nuclear Magnetic Resonance Spectroscopy,
J. Environ. Qual. 31 (2002) 375-387.

N. Hertkorn, H. Claus, Ph. Schmitt-Kopplin, E. M. Perdue, Z. Filip,
Utilization and Transformations of Aquatic Substances by Autochthonous Microorganisms,
Environ. Sci. Technol., 36 (2002) 4334-4345.

N. Hertkorn, A. Permin, I. Perminova, D. Kovalevskii, M. Petrosyan, A. Kettrup,
Comparative Analysis of Partial Structures of a Peat Humic and Fulvic Acid Using One- and Two-Dimensional Nuclear Magnetic Resonance Spectroscopy,
J. Environ. Qual. 31 (2002) 375-387.

Ph. Schmitt-Kopplin, M. Frommberger,
Capillary electrophoresis - electrospray ionisation mass spectrometry: 15 years of development and applications,
Electrophoresis 24 (2003) 3837-3867.

Ph. Schmitt-Kopplin, J. Junkers,
Capillary zone electrophoresis of natural organic matter.
J. Chromatogr. A. 998 (2003) 1-20.

Ph. Schmitt-Kopplin, A. Kettrup,
Capillary electrophoresis - electrospray ionization - mass spectrometry for the characterization of natural organic matter: An evaluation with free flow electrophoresis-off-line flow injection electrospray ionization-mass spectrometry.
Electrophoresis 24 (2003) 3057-3066.

N. Hertkorn, E. M. Perdue, A. Kettrup,
A potentiometric and 113Cd NMR study of cadmium complexation by natural organic matter at two different magnetic field strengths,
Anal. Chem., 76 (2004) 6327-6341.

I. V. Perminova, N. Hertkorn, K. Hatfield (Hrsg.),
Use of humic substances to remediate polluted environments: From theory to practice,
Kluver Academic Publishers, Amsterdam, 2005, 506 + XXVII Seiten.

N. Hertkorn, A. Günzl, D. Freitag, A. Kettrup,
Nuclear Magnetic Resonance Spectroscopy Investigations of Silylated Refractory Organic Substances,
In: F. H. Frimmel, G. Abbt-Braun (Hrsg.): Refractory Organic Substances in the Environment (DFG- Schwerpunktsprogramm Refraktäre Organische Säuren in Gewässern), Wiley-VCH, 2002, S. 129-145.

Ph. Schmitt-Kopplin (Hrsg.),
Capillary electrophoresis from small ions to macromolecules",
Humana Press in the Series Methods in Molecular Biology, Molecular Medicine and Biotechnology (Series Editor: J.M. Walker; ) (printed Fall 2005).