Arsenic, cadmium, lead and thallium in coal ash from individual household furnaces

被引:0
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作者
Krzysztof Kleszcz
Iwona Karoń
Paweł Zagrodzki
Paweł Paśko
机构
[1] University of Applied Sciences in Tarnow,Faculty of Mathematical and Natural Sciences, Department of Chemistry
[2] Jagiellonian University,Department of Food Chemistry and Nutrition, Medical College
关键词
Coal ash; Atomic absorption spectrometry; Arsenic; Lead; Cadmium; Thallium;
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摘要
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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页码:1801 / 1809
页数:8
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