The Effect of heat and Storage Duration on Physicochemical Properties of Plastic Bottled Water at Sharq El Nile Locality in Khartoum State, Sudan

Abstract

The physicochemical properties of plastic bottled water were studied using the Inductively Coupled Plasma Emission Spectroscopy Technique (ICPE) before and after heating and storage duration. One sample was taken from Al Byara Well - Block (39) in Sharq El Nile Locality, Sudan at fall season in 2019.This sample was exposed to sunlight in plastic bottled for (50 days) and stored for (40 days). Before heating and storage duration, various macro and micro minerals such as (Sulfur, Calcium, Potassium, Magnesium, Sodium, Copper, Silicon, Manganese, and Zinc) have been detected with different concentrations at ((0.0057, 0.170,0.003, 0.390, 0.089, 0.016, 0.085,0.0014,and 0.00057) ) respectively. The concentrations some toxic and radioactive elements including (Cadmium, Holmium, Thallium, Barium, Scandium, and Strontium) were also appeared with various concentrations at ((1.3,1.5,27,0.62,0.31,and 0.77) ) consecutively. These results may return to the location of sample, and vital activities. After heating and storage duration, concentrations of macro and micro minerals above were changed to (0.0047,0.190, 0.0026, 0.093, 0.072, 0.014,0. 067, 0.00, and 0.00) ) respectively. However, two new micro minerals which called (Iodine and Boron) was found with concentration at ((0.0095 and 0.00060) successively. Moreover, the concentrations of some toxic and radioactive elements above were modified to (1.1,0.00,24,0.65,0.23,and 0.96) ) successively, and three new toxic elements like (Mercury, Nickle, and Antimony) were existed with concentrations at ((1.1,3.7,and 6.9) ) respectively. These results may be attributed to the interaction between water and plastic and storage period. However, the results before and after heating and storage duration were discovered within background values except for (Thallium). Keywords: Inductively Coupled Plasma Emission Spectroscopy, Concentration, Sunlight, Drinking Water, Plastic Bottled.