CHEMOMETRIC INVESTIGATIONS ON THE DIFFERENTIATED EVALUATION OF ELEMENT TRACE ANALYSIS IN RIVER WATERS

The combination of sequential leaching methods for a first assessment of the kind of species in river sediments with multivariate-statistica l methods (like factor analysis) for identifying anthropogenic and/or geogenic loading is useful for the differentiated characterization of the pollution state of a river. Electrochemical investigations, planne d on the basis of statistical design and following empirical modelling , enables quantitative conclusions on the binding forms of heavy metal s in river waters. Deposition-remobilisation effects of heavy metals i n the complex system river water-river sediment can be described by PL S modelling.