Application of Pb isotopic mapping to environment evaluation in China

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Abstract

Quantitative criterion of Pb pollution sources and levels from Pb isotopic tracing must depend on the establishment of a natural Pb isotopic background. Lead isotopic mapping for Continental China and the neighborhood sea areas is being completed. Seven major isotopic provinces in the continent (Cathaysia, Indochina, Yangtze, North China, Northeast China, North Xinjiang and Tibet) have been identified. The Pb isotopic mapping in the South China Sea shows two depositing areas; sediments from the Red River is related to the Indochina geochemical province; sediments from the Pearl River system is related to the Cathaysia geochemical province. Pb isotopic evidence indicates that the major Pb pollution sources of aerosols in the Eastern China are from local Pb–Zn–Cu resource consumption in various industries. The Pb pollution from aerosols, eolian dusts, and acid leachable components in soils and sediments around the South China Sea shows two major sources: application of lead metal in various industries and automobile exhausts. © 2002 Taylor and Francis Group, LLC.

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Bing-Quan, Z., Yu-Wei, C., & Xiang-Yang, C. (2002). Application of Pb isotopic mapping to environment evaluation in China. Chemical Speciation and Bioavailability, 14(1–4), 49–56. https://doi.org/10.3184/095422902782775335

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