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| MODES OF OCCURRENCE OF Hg IN Hg POLLUTION SOIL OF CITIES |
| WANG Zhi-feng, TANG Li-ling, MA Sheng-ming, HU Shu-qi |
| Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China |
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Abstract The modes of occurrence of Hg in Hg polluted soil of 13 cities, such as Beijing, Shenyang, Changchun, Nanjing, Guangzhou and Lanzhou, are described. Hg pollution was found in different cities through Hg occurrence analysis and heat-released Hg analysis. Mineralogical method has proved the above conclusion. HgS is the main mode of occurrence of Hg in polluted soil. Cinnabar which is the crystal mineral of HgS exists in soil. The appearance rate of cinnabar in soil increases with the Hg content in polluted soil. The results have significant theoretical and practical value for eco-geochemical evaluation which has been carried out extensively in China.
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Received: 15 November 2013
Published: 10 April 2014
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