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Chemical characteristics of aerosols in the Kuroshio area

II. Chemical forms and size distributions of trace metals

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Abstract

Aerosol samples were collected with a Sierrer Model 235 cascade impactor in the marine atmosphere over the Kuroshio area in consecutive four seasons from 1987 to 1988. Na, Cl, Al, V, and water soluble and acid soluble Mn, Fe, Pb, Cu, V, Cd were determined by neutron activation analysis and atomic absorption spectrophotometry, respectively. Seawater source chemical species in the aerosols appeared in high content in large over 3.6 μm diameter particles, and crustal source vanadium appeared in 3.6 μm diameter particles, but pollution source vanadium appeared in less than 0.52 μm diameter particles. Trace metals in the aerosols mostly had the highest concentration of water soluble metals on fine particles, and acid soluble metals on large particles. The concentrations of trace metals in the aerosols were higher in autumn and winter, lower in spring and summer.

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Authors and Affiliations

  1. Third Institute of Oceanography, SOA, 361005, Xiamen

    Chen Liqi, Yu Qun, Yang Xulin & Tang Rongkun

Authors
  1. Chen Liqi
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  2. Yu Qun
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  3. Yang Xulin
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  4. Tang Rongkun
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Funds from the National Natural Science Foundation of China.

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Liqi, C., Qun, Y., Xulin, Y. et al. Chemical characteristics of aerosols in the Kuroshio area. Chin. J. Ocean. Limnol. 11, 351–359 (1993). https://doi.org/10.1007/BF02850640

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  • DOI: https://doi.org/10.1007/BF02850640

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