Composition and variation of major and trace elements in Croatian bottled waters |
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| Authors: | Zoran Peh Ajka ŠoršaJosip Halamić |
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| Institution: | Croatian Geological Survey, Sachsova 2, P.O. Box 268, HR-10000 Zagreb, Croatia |
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| Abstract: | Within the framework of the Pan-European project about the geochemistry of bottled mineral waters in Europe launched in 2007 by the European Geological Surveys (EGS) Geochemistry Expert Group fourteen brands of bottled natural waters from Croatia of both mineral and spring types were evaluated for getting more coherent spatial information about the natural variation of element concentration in bottled waters found at the European market. Results of chemical analysis show that not a single one out of fourteen analyzed bottled waters from Croatia exceeds the Croatian water standards sanctioning thereby their suitability for human consumption. Also, statistical tests performed for 41 analytes (including pH and EC) clearly show that the water chemistry is in a high degree of conformity with regional geology, depending on structural, stratigraphic and, above all, lithological diversity of aquifers. Thus Dinaric and Pannonian parts of Croatia differ largely with regard to their water types: Dinaric region is completely lacking mineral water types while, on the other side, in the Pannonian region even the spring waters show stronger mineralization in comparison with their Dinaric counterparts. Typically, all natural waters from Croatia bear the bicarbonate (HCO3) signature. However, Ca–Mg cation pair combination is characteristic of spring waters while Na–K dominates in the mineral waters. |
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| Keywords: | Bottled waters Mineral waters Spring waters Hydrochemistry Statistical analysis Croatia |
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