Comparative Analysis of Drinking Water Mineral Composition
Abstract
Abstract. The purpose of this paper was to investigate the mineral and heavy metals concentrations in tap water, filtered water and bottled water. Minerals and heavy metals such as Ag, Be, Cd, Co, Li, Ni, Pb and Se, have not been identified (concentrations below 0.001 ppm), suggesting the absence of heavy metal contamination of drinking water in the area of the study. The samples had low concentrations for aluminum and strontium. The highest concentrations of macro-and micro-elements and toxic metals were found only in the well water samples collected from the Ramnicul Sarat and Focsani area, possibly because of higher soil pollution. For all drinking water samples, the highest mineral concentrations were found in essential macro-minerals such as sodium, potassium, calcium and magnesium. For calcium, the highest concentration was found in the well water samples from Focsani area.
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