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Arsenic,cadmium, lead and thallium in coal ash from individual household furnaces |
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| Authors: | Kleszcz Krzysztof Karoń Iwona Zagrodzki Paweł Paśko Paweł |
| Institution: | 1.Faculty of Mathematical and Natural Sciences, Department of Chemistry, University of Applied Sciences in Tarnow, Mickiewicza 8, 33-100, Tarnów, Poland ;2.Department of Food Chemistry and Nutrition, Medical College, Jagiellonian University, Medyczna 9, 30-068, Kraków, Poland ; |
| Abstract: | 52 coal ash samples from individual households were analyzed to determine the pH and the concentrations of four toxic elements: arsenic, cadmium, lead and thallium. The method used was atomic absorption spectrometry with graphite-furnace atomization. The ash samples originated from various coal grades and statistical analysis showed existing correlations between the concentrations of studied elements, pH and the coal grades. The maximum concentrations of arsenic, cadmium, lead and thallium were 50,900, 43,500, 128,900, and 6660 µg/kg, respectively. The results were compared with the published data for the ash of industrial origin. |
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