Arid
DOI10.1039/c5em00022j
The weathering and transformation process of lead in China’s shooting ranges
Li, Yeling1; Zhu, Yongbing2; Zhao, Sanping2; Liu, Xiaodong1
通讯作者Liu, Xiaodong
来源期刊ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS
ISSN2050-7887
EISSN2050-7895
出版年2015
卷号17期号:9页码:1620-1633
英文摘要

Corroding steel-core bullets from three shooting ranges in different climate zones of China were collected. Multiple technical methods (EMPA, SEM, XRD, and ICP-OES) were applied to investigate the structure, morphology, and weathering product of this type of bullet in China to analyze the weathering mechanisms in different types of soils. A scanning electron microscope (SEM) was used to view the morphology and microstructure of corrosion layers. On the corroded lead layer surface, unevenness, micro cracks, and spallation were usually present. Around the micro cracks, many types of euhedral and subhedral crystals of the secondary products of lead were formed, most of which were composed of cerussite (PbCO3), while hydrocerussite (Pb-3(CO3)(2)(OH)(2)) was predominant in the bullet collected from the humid environment. X-ray power diffraction (XRD) results show that the secondary weathering products in the three shooting range soils are clearly different. In the Fangyan shooting range, which has a neutral and semi-arid soil, the lead weathering product was mainly hydrocerussite (Pb-3(CO3)(2)(OH)(2)), while no substantial amount of crystal phase of lead compound could be found in acidic, damp soils from the Fenghuang shooting range, possibly due to the enhanced dissolution and mobilization of lead compounds at lower pH and higher content of organic matter in the soil. In hot and arid environment of the Baicheng shooting range, cerussite might have undergone thermal decomposition, thus generating shannonite (Pb2O(CO3)). These results indicate that the formation of secondary Pb minerals is largely affected by the climatic zone or the soil properties, which may have implications for range management practices.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000361146500009
WOS关键词ATMOSPHERIC CORROSION ; SOILS ; CONTAMINATION ; USA ; FLORIDA ; STEEL ; PB ; BIOACCESSIBILITY ; SHANNONITE ; SPECIATION
WOS类目Chemistry, Analytical ; Environmental Sciences
WOS研究方向Chemistry ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/187173
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, Inst Polar Environm, Hefei 230026, Anhui, Peoples R China;
2.State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China
推荐引用方式
GB/T 7714
Li, Yeling,Zhu, Yongbing,Zhao, Sanping,等. The weathering and transformation process of lead in China’s shooting ranges[J],2015,17(9):1620-1633.
APA Li, Yeling,Zhu, Yongbing,Zhao, Sanping,&Liu, Xiaodong.(2015).The weathering and transformation process of lead in China’s shooting ranges.ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS,17(9),1620-1633.
MLA Li, Yeling,et al."The weathering and transformation process of lead in China’s shooting ranges".ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS 17.9(2015):1620-1633.
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