1. Ekrem Pehlić, Faculty of Biotechnical Sciences, University of Bihac, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
2. Aida Šapčanin, University in Sarajevo, Faculty of Pharmacy, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
3. Huska Jukić, University of Bihać, School of Health Studies, Bosnia and Herzegovina, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
4. Aida Džaferović, Faculty of Biotechnical Sciences, University of Bihac, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
5. Samira Dedić, Faculty of Biotechnical Sciences, University of Bihac, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
6. Nevzeta Ljubijankić, University of Sarajevo, Faculty of Natural Sciences and Mathematics, Bosnia and Herzegovina, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
7. Merima Toromanović, Faculty of Biotechnical Sciences, University of Bihac, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina
8. Kemal Salkić, Agricultural Institute of Una­Sana Canton, Bosnia and Herzegovina, Federation of Bosnia and Herzegovina , Bosnia and Herzegovina

ABSTRACT

Introduction: Heavy metals and metalloids are natural ingredients of Earth's crust. Anyway, the soils could be contaminated with heavy metals and metalloids through emissions from industrial plants, by disposal of metal garbage, combustion the gasoline, usage of paints, fertilizers, pesticides, by irrigation with waste water, by remains after coal burning, and petrochemicals pollution. Heavy metals are group of dangerous inorganic chemical substances, and soils are most commonly contaminated by lead (Pb), chromium (Cr), arsenic (As), zinc (Zn), cadmium (Cd), copper (Cu) and mercury (Hg). Heavy metals in contaminated soil could represent a risk and danger for humans and ecosystem. The problem represent usage of contaminated groundwater, too. Aim of the work is to check the content of the heavy metals: lead, cadmium, chromium, zinc, arsenic, cobalt, selenium and iron, in drinking water from the richest water sources in eight municipalities of Una­Sana Canton.
Method: Samples are analysed with PerkinElmer atomic absorption spectrometer AAnalyst 800 with Zeemans correction. Lead (Pb), cadmium (Cd), cobalt (Co), chromium (Cr), selenium (Se), arsenic (As), zinc (Zn) and iron (Fe) are analysed by flame technique.
Results: Concentration of cadmium in samples was in range of 0.001 to 0.003 mg/L, values for Zn were between 0.001 and 0.048 mg/L, as well as for Fe between 0.001 and 0.014 mg/L. Values of concentration for lead, arsenic and chromium were under of detection limits, thus lower then concentration values standards. In aspect of cobalt, concentration was in range of 0.001 to 0.015 mg/L, and values for selenium were under detection limits, less than 0.013 mg/L.
Conclusion: Measured concentrations for all analysed heavy metals were not over the allowed limits prescribed by Rulebook on Natural Mineral and Spring Water in Bosnia and Herzegovina and Rulebook on health suitability of drinking water in B&H. Also, concentration values for all heavy metals in samples were in accordance with EU Council Directive 98/83/EC on the quality of water intended for human consumption.

Ključne reči : Keywords: heavy metals spring water EU Council Directive.

Tematska oblast: Inženjerstvo u zaštiti okoline

Datum: 29.06.2016.

XI Savjetovanje hemičara, tehnologa i ekologa Republike Srpske

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