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Distribution of trace metals of soil in high lung cancer incidence area of Yunnan, China

机译:云南省云南省高肺癌发病率分布土壤痕量金属分布

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Soil samples (0-10cm soil layer) were collected from Xuanwei and Fuyuan, which were known as high lung cancer incidence area in Yunnan province, China. The aim of the study was to investigate the trace metal pollution situation of the local village. Total 24 samples of surface soil were analyzed for 32 trace metals. The samples were digested with HNO_3 and HF and H_2O_2 using microwave. The concentrations of the elements were analyzed by ICP-MS. The results showed us the distribution of trace metals in different sites. The concentration variation trend of 6 hazard trace metals relative to cancer was consistent in different sample sites. Except the content of Ni, none heavy metals in samples exceeded the limit value of Chinese Environmental Quality Standard for Soils. But in some sites of high lung cancer incidence rate, the heavy metal pollution were serious such as Cu and Cr. Fuyuan was slightly metal polluted compared with Xuanwei.
机译:来自宣因和福源地区收集土壤样品(0-10厘米的土壤层),中国云南省称为高肺癌发病率。该研究的目的是调查当地村的痕量金属污染情况。分析32种痕量金属的24种表面土壤样品。使用微波用HNO_3和HF和H_2O_2消化样品。通过ICP-MS分析元素的浓度。结果表明,美国在不同地点的痕量金属分布。相对于癌症的6个危害痕量金属的浓度变化趋势在不同的样本位点是一致的。除了Ni的含量外,样品中的重金属没有超过中国环境质量标准的极限值。但在一些高肺癌发病率的遗址中,重金属污染严重如Cu和Cr。富源与玄威相比污染了略带金属。

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