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Determination of heavy metal content in common fish and risk assessment of water body in Huayuan River
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Qing-Fan ZHOU1, Zhi LI2, Hui ZHANG2, Yong-Chun PENG2, *
Laboratory Testing | 2024, 2(8) : 104 - 108
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Laboratory Testing | 2024, 2(8): 104-108
• Evaluation and Analysis •
Determination of heavy metal content in common fish and risk assessment of water body in Huayuan River
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Qing-Fan ZHOU1, Zhi LI2, Hui ZHANG2, Yong-Chun PENG2, *
Affiliations
  • 1 Hunan Agricultural University Changsha 410125 China
  • 2 Xiangxi Ecological Environment Monitoring Center Jishou 416000 China
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Objective To analyze the content of heavy metals in water and fish in Huayuan River. Methods Microwave digestion and inductively coupled plasma mass spectrometry (ICP-MS) were used to determine the heavy metal content of common freshwater fish such as Branchfish, Carassius elegans, Siniperca elegans and grass carp in Huayuan River. Results The content of heavy metals (Cu, Zn, As, Pb, Cd, Fe, Mn) in all sections of Huayuan River was lower than the standard limit of Class III water in GB 3838-2002, and the overall water quality was good. The cross section fish Cd and As in the upstream border town are slightly polluted. In the lower reaches of Huayuan River, Pb and As were slightly polluted, while Cd was seriously polluted. The single heavy metal hazard coefficient (THQ) and the composite heavy metal hazard coefficient (TTHQ) of fish in Huayuan River are both less than 1, which indicates that the enrichment of heavy metals in fish in Huayuan River will not cause harm to human consumption. Conclusion The results of this study reflect the influence of water pollution degree on heavy metal enrichment of fish in Huayuan River to some extent, and provide reference and theoretical support for the assessment of ecological security, fish resource diversity and food safety of Huayuan River in this region.

huayuan river  /  heavy metals in water  /  fish weight metals  /  ICP-MS
Qing-Fan ZHOU, Zhi LI, Hui ZHANG, Yong-Chun PENG. Determination of heavy metal content in common fish and risk assessment of water body in Huayuan River[J]. Laboratory Testing, 2024 , 2 (8) : 104 -108 .
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  • Online Date：2025-07-29
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Affiliations
    1 Hunan Agricultural University Changsha 410125 China
    2 Xiangxi Ecological Environment Monitoring Center Jishou 416000 China

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*PENG Yong-Chun, Engineer, Deputy Section Chief, Xiangxi Ecological Environment Monitoring Center, Jishou 416000, China. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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