Application of linear discriminant analysis to the study of dew chemistry on the basis of samples collected in Poland (2004–2005)

• Authors: Kamila Klimaszewska , Costel Sârbu , Żaneta Polkowska , Dariusz Lech , Piotr Pasławski , Stanisław Małek , Jacek Namieśnik
• Languages of publication: EN

Abstracts

EN

This paper presents the results of determination of selected characteristics (anions, cations, formaldehyde, hydrogen peroxide, phenols, TC, TIC, TOC and metals) in dew samples collected in six different sites in Poland. The influence of local parameters (e.g. wind speed, humidity) was investigated. Discriminant analysis was applied to the study of several dew samples collected from different sampling sites covering six agglomerations in Poland. Discriminant function analysis was used not only for classifying samples into different groups with a better than chance accuracy, but also for detecting the most important variables that discern between the groups of samples considered. In this way it was possible to identify which ions or other physicochemical features are responsible for the similarities or differences observed between different groups of dew samples. A good agreement with their origin and location was observed. It is interesting to note that the classification of all samples was dominated by pH, wind direction, pressure and temperature with a significant contribution of Na+ and Cl− ions. [...]

Keywords

EN

Dew Analysis of dew; Chemical composition; Discriminant analysis

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2009
• Volume: 7
• Issue: 1
• Pages: 20-30

Dates

published

1 - 3 - 2009

online

23 - 12 - 2008

Contributors

author

Kamila Klimaszewska

• Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 80-952, Gdańsk, Poland

author

Costel Sârbu

• Faculty of Chemistry and Chemical Engineering Babeş-Bolyai University, 400028, Cluj-Napoca, Romania

author

Żaneta Polkowska

• Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 80-952, Gdańsk, Poland

author

Dariusz Lech

• Central Chemical Laboratory, Polish Geological Institute, 00-975, Warsaw, Poland

author

Piotr Pasławski

• Central Chemical Laboratory, Polish Geological Institute, 00-975, Warsaw, Poland

author

Stanisław Małek

• Forest Faculty, Agricultural University of Cracow, 31-425, Krakow, Poland

author

Jacek Namieśnik

• Department of Analytical Chemistry, Chemical Faculty, Gdansk University of Technology, 80-952, Gdańsk, Poland

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Identifiers

DOI

10.2478/s11532-008-0082-8