1 General introduction ......................................... 1
1.1 Humic substances (HS) ................................... 1
1.2 Sorption and desorption processes on HS ................. 3
1.3 Experimental methods for measuring interaction of
solutes with dissolved humic substances (DHS) ........... 5
1.3.1 Fluorescence quenching technique (FQT) ........... 6
1.3.2 Solid-phase microextraction technique (SPME) ..... 8
1.4 Impact of DHS on mass transfer of pollutants ........... 11
1.5 Aims and objectives of the thesis ...................... 13
1.6 References ............................................. 14
2 Overview of the following manuscripts ....................... 17
3 Influence of dissolved humic substances on the mass
transfer of organic compounds across the air-water
interface ................................................... 20
4 Sorption-induced effects of humic substances on mass
transfer of organic pollutants through aqueous diffusion
boundary layers: Example of water/air exchange .............. 49
5 Kinetics of desorption of organic compounds from dissolved
organic matter .............................................. 83
6 Summary/Zusammenfassung .................................... 114
7 Bibliography ............................................... 121
Acknowledgements .............................................. 129
Curriculum vitae .............................................. 131
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