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辽宁省劳动卫生研究所
Received:18 April 1988,
Published:01 July 1990
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Yan Jiang, Junjie Ma, Shunfu Li, et al. Radioactive contents in superphosphate manufactured in Liaoning Province[J]. Nuclear techniques, 1990, 13(7): 436-440.
DOI:
Yan Jiang, Junjie Ma, Shunfu Li, et al. Radioactive contents in superphosphate manufactured in Liaoning Province[J]. Nuclear techniques, 1990, 13(7): 436-440. DOI:
从磷肥厂采集过磷酸钙和磷矿石样品,并分析了样品中铀、镭-226、钍的含量。测定过磷酸钙样品表明,铀的含量相当于8.30ppm;镭-226的含量相当于111.37Bq/kg;钍的含量相当于2.81ppm.测定磷矿石样品表明,铀的含量相当于35.66ppm;镭-226的含量相当于468.95Bq/kg;钍的含量相当于3.35ppm.
Samples of superphosphate and phosphoric ores from phosphate fertilizer factories in Liaoning Province were analyzed for uranium
radium-226 and thorium contents. The analytical results showed that superphosphate contained uranium up to 8.30 ppm
radium-226 up to 111.37 Bq/kg and thorium up to 2.81 ppm
and phosphoric ores contained uranium up to 35.66 ppm
radium-226 up to 468.95 Bq/kg and thorium up to 3.35 ppm
respectively.
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R. G, Menzel , J . Agric. Food Chem . , 16 ( 1968 ), 2 : 211 .
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