Physicochemical properties (pH, Electrical conductivity, Total dissolved salt, Cl -, F -, NO3 -, SO4 -2 , NH4 + and Chemical oxygen demand) of Sixteen brands bottled water in Kurdistan region-Iraq were analyzed using standard methods. The physicochemical properties of the bottled water measured in this work compared with manufacturer's labeling reported on the bottles and were compared with the guideline value of World Health Organization (WHO) and International Bottled Water Association (IBWA) standards. The change of physicochemical properties investigated when the bottled water exposed to sunlight or storage at different temperature for 30 days. IR-spectroscopy was carried out in order to deduce the nature of polymer material and its purity. Results indicated that the quality of bottled water samples was within the permissible limit, while it is changed with the time of sunlight exposed or temperature changes. The results indicate, the physicochemical properties of all bottled water samples are within the international guidelines of bottled water and not the same that reported on the bottle label. The results show each of sun light exposure and temperature of storing cause changes in all physicochemical properties of water in the plastic bottle. @JASEM

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