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索乾善, 毛宇翔, 张飞鹏, 崔莹. 小浪底水库鱼体汞的污染现状[J]. 环境化学, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
引用本文: 索乾善, 毛宇翔, 张飞鹏, 崔莹. 小浪底水库鱼体汞的污染现状[J]. 环境化学, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
shu
SUO Qianshan, MAO Yuxiang, ZHANG Feipeng, CUI Ying. Mercury contents in the muscle tissue of fish species in Xiaolangdi Reservoir[J]. Environmental Chemistry, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
Citation: SUO Qianshan, MAO Yuxiang, ZHANG Feipeng, CUI Ying. Mercury contents in the muscle tissue of fish species in Xiaolangdi Reservoir[J]. Environmental Chemistry, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
shu

小浪底水库鱼体汞的污染现状

  • 1.

    河南理工大学资源环境学院, 焦作, 454000

  • 基金项目:

    国家自然科学基金项目(21177035,21377035)；环境化学与生态毒理学国家重点实验室开放基金项目(KF2010-10)；河南省教育厅自然科学研究计划项目(2011A10009)；河南理工大学博士资金(B2011-041)资助。

Mercury contents in the muscle tissue of fish species in Xiaolangdi Reservoir

  • 1.

    Institute of Resources & Environment, Henan Polytechnic University, Jiaozuo, 454000, China

  • Fund Project:

  • 摘要: 采用混酸消解-冷原子荧光(CVAFS)方法和氢氧化钾甲醇溶液消解-水相乙基化衍生-气相色谱-冷原子荧光方法(GC-CVAFS)分别测定了小浪底水库中常见的6种鱼类肌肉组织中的总汞和甲基汞含量.结果表明，小浪底水库鱼体总汞平均含量为(99.2±42.6)ng·g-1，变化范围为31.6—210 ng·g-1.甲基汞的平均含量为(83.6±42.1)ng·g-1，变化范围为20.0—194 ng·g-1.甲基汞占总汞比例平均值为(82.5±9.3)%.鱼体汞含量表现为肉食性鱼、杂食性鱼高于植食性鱼的趋势.只有鳙鱼体内总汞、甲基汞含量与其体长体重呈显著的正相关关系，其他几种鱼总汞、甲基汞含量与其体长体重的相关性不显著.本研究鱼肌肉样品中甲基汞含量均低于国家相关标准，但与国内相关研究相比，小浪底水库鱼肉组织中汞含量处于较高水平.敏感人群应该限制小浪底水库中鳙鱼、黄颡鱼、鲤鱼这些甲基汞含量较高的水产品的食用量和食用频率.
    Abstract: Six fish species were sampled from Xiaolangdi Reservoir, a newly built reservoir located in Henan Province. Total mercury (THg) and methylmercury (MeHg) contents in the fish muscle tissues were determined using acid digestion-purge and trap-cold vapor atomic fluorescence spectrometry (CVAFS) and KOH/methanol digestion-aqueous phase ethylation-purge and trap-gas chromatography-CVAFS methods, respectively. THg in the fish muscle tissues varied from 31.6 ng·g-1 to 210 ng·g-1 (average (99.2±42.6) ng·g-1), and MeHg varied from 20.0 ng·g-1 to 194 ng·g-1 (average (83.6±42.1) ng·g-1). Piscivores and omnivores had higher Hg contents than herbivores. Mercury contents in bighead carp significantly correlated with fish size, however, this correlation was not significant for all the other fish species (P>0.05). Mercury contents in the muscle tissue of fish samples met the requirement of Chinese National Standard-Maximum Levels of Contaminants in Foods(GB2762—2012). However, they were relatively high in comparison to previously studies in other geographic regions. Thus it was suggested that sensitive populations should pay attention to the consumption amount of fish species including bighead, carp and yellow-head catfish.
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  • 收稿日期:  2013-02-18
索乾善, 毛宇翔, 张飞鹏, 崔莹. 小浪底水库鱼体汞的污染现状[J]. 环境化学, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
引用本文: 索乾善, 毛宇翔, 张飞鹏, 崔莹. 小浪底水库鱼体汞的污染现状[J]. 环境化学, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
shu
SUO Qianshan, MAO Yuxiang, ZHANG Feipeng, CUI Ying. Mercury contents in the muscle tissue of fish species in Xiaolangdi Reservoir[J]. Environmental Chemistry, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
Citation: SUO Qianshan, MAO Yuxiang, ZHANG Feipeng, CUI Ying. Mercury contents in the muscle tissue of fish species in Xiaolangdi Reservoir[J]. Environmental Chemistry, 2013, 32(11): 2030-2036. doi: 10.7524/j.issn.0254-6108.2013.11.004
shu

小浪底水库鱼体汞的污染现状

  • 1. 河南理工大学资源环境学院, 焦作, 454000
  • 收稿日期:  2013-02-18
基金项目:

国家自然科学基金项目(21177035,21377035)；环境化学与生态毒理学国家重点实验室开放基金项目(KF2010-10)；河南省教育厅自然科学研究计划项目(2011A10009)；河南理工大学博士资金(B2011-041)资助。

摘要: 采用混酸消解-冷原子荧光(CVAFS)方法和氢氧化钾甲醇溶液消解-水相乙基化衍生-气相色谱-冷原子荧光方法(GC-CVAFS)分别测定了小浪底水库中常见的6种鱼类肌肉组织中的总汞和甲基汞含量.结果表明，小浪底水库鱼体总汞平均含量为(99.2±42.6)ng·g-1，变化范围为31.6—210 ng·g-1.甲基汞的平均含量为(83.6±42.1)ng·g-1，变化范围为20.0—194 ng·g-1.甲基汞占总汞比例平均值为(82.5±9.3)%.鱼体汞含量表现为肉食性鱼、杂食性鱼高于植食性鱼的趋势.只有鳙鱼体内总汞、甲基汞含量与其体长体重呈显著的正相关关系，其他几种鱼总汞、甲基汞含量与其体长体重的相关性不显著.本研究鱼肌肉样品中甲基汞含量均低于国家相关标准，但与国内相关研究相比，小浪底水库鱼肉组织中汞含量处于较高水平.敏感人群应该限制小浪底水库中鳙鱼、黄颡鱼、鲤鱼这些甲基汞含量较高的水产品的食用量和食用频率.

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