Analyses of lake sediments from Itaipú dam using x-ray fluorescence
- Conference date: 2–6 September 2012
- Location: São Sebastião, São Paulo, Brazil
The objective of this study was to use principal component analysis (PCA), with data from Energy Dispersive X-Ray Fluorescence (EDXRF) of sediment samples from Itaipú artificial beaches, to find correlations between metal concentrations present in the sediments and physical-chemical properties. Samples were collected at nine points at Itaipu dam lake dam from 80 cm depth of water column, dried at room temperature and grinded in a mortar to obtain a particle size lower than 70 μm. The samples with higher concentration of organic matter and metal ions have correlation with the smaller sample size, i.e., clay.
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