Journal
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
Volume 72, Issue 12, Pages 1487-1492Publisher
SERBIAN CHEMICAL SOC
DOI: 10.2298/JSC0712487R
Keywords
principal component analysis; factor analysis; cluster analysis; metals; wines; classification
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The contents of five metals (Cu, Mn, Fe, Cd, and Pb) in several red and white wines originating from different regions of Serbia were determined by name and graphite furnace atomic absorption spectrometry. The data were processed using chemometric techniques. Principal component and factor analysis were applied in order to highlight the relations between the elements and, after data reduction, three main factors controlling variability were identified. Application of hierarchical cluster analysis to the studied wines indicated differentiation of the samples belonging to different origins. No discrimination between red and white wines was found.
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