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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Cumulative Effect and Content Variation of Toxic Trace Elements in Human Hair around Xiaoqinling Gold Mining Area Northwestern China
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Cumulative Effect and Content Variation of Toxic Trace Elements in Human Hair around Xiaoqinling Gold Mining Area Northwestern China

机译：Xiaoqinling Gold Colling地区累积效应及含有毒性微量元素的含量变异

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摘要

The harm of toxic trace element polluted living environments to human health in mining areas has attracted extensive attention. In this study, human hair samples from a toxic trace element polluted area (village A) in a mineral processing area collected in 2015 and 2019 were studied in detail and the nonpolluted human hair samples from a contrast area (village B) with a relatively clean environment were also collected for comparison. The Hg and As in human hair samples were analyzed by Atomic Fluorescence Spectrometry (AFS) and the Pb, Cd, Cr, and Cu in human hair samples were analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The single cumulative index (Pi) and the Nemerrow index (Pz) were used to evaluate the single and comprehensive cumulative pollution index. The results indicated that the average toxic trace element contents in human hair from different ages in the polluted area exhibited certain statistical significance. The average single cumulative indexes indicated a significant accumulation of Hg, Pb, and Cd in human hair of both genders and different ages from the polluted area, and the comprehensive cumulative pollution indexes revealed higher accumulation of toxic trace elements in the hair of males than in females. In general, the content of toxic trace elements in human hair from polluted area was still growing in accumulation. The high content of toxic trace elements in human hair shows a notable correlation with human health, and the environmental pollution in gold mining areas is seriously harmful to human health.
机译：在采矿区对人类健康的毒性微量元素污染的生活环境造成了广泛的关注。在这项研究中，详细研究了来自2015年和2019年收集的矿物加工区的有毒微量元素污染区域（A）的人头样本，并从对比区域（B村）的非污染的人头样本进行了相对清洁的还收集了环境进行比较。通过原子荧光光谱法（AFS）分析HG和如人的毛发样品，通过电感耦合等离子体质谱（ICP-MS）分析人毛样品中的PB，CD，Cr和Cu。单一累积指数（PI）和Nemerrow指数（PZ）用于评估单一和综合累积污染指数。结果表明，污染区域中不同年龄的人头发的平均毒性痕量元素含量表现出某些统计学意义。平均单累积指标表明，来自污染区域的人类头发和不同年龄的人头发中的Hg，Pb和Cd的显着积累，综合累积污染指标显示出男性头发的毒性微量元素的含量高于女性。通常，污染区域人毛中有毒微量元素的含量仍在积累中仍在增长。人发中有毒微量元素的高含量表现出与人体健康有显着的相关性，而黄金矿区的环境污染对人类健康有害。

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