Physical factors affecting the mutagenicity of fly ash from a coal-fired power plant.
作者： G. Fisher , C. Chrisp , O. Raabe
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摘要: The two finest, most respirable coal fly ash fractions collected from the smokestack of a power plant were more mutagenic than coarser fractions. Mutagenicity was evaluated in histidine-requiring bacterial strains TA 1538, 98, and 100 Salmonella typhimurium. Ash samples hoppers an electrostatic precipitator not mutagenic. mutagens resistant to x-ray or ultraviolet irradiation, possibly as result stabilization by surfaces. All activity is lost with heating 350 degrees C.
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