Determination of copper complexation in surface microlayer of Daya Bay and Jiaozhou Bay

Zhang Zhengbin; Liu Chunying; Yu Zhigang; Liu Liansheng; Wang Zhaoding; Gong Haidong

doi:10.1007/BF02894245

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Determination of copper complexation in surface microlayer of Daya Bay and Jiaozhou Bay

Updated：2023-05-16

- Determination of copper complexation in surface microlayer of Daya Bay and Jiaozhou Bay
- Journal of Oceanology and Limnology Vol. 23, Issue 2, Pages: 238-245(2005)
- Affiliations：
  
  1. Institute of Marine Chemistry Ocean University of Qingdao
  2. South China Sea Institute of Oceanology Chinese Academy Sciences
- Author bio：
- Funds：
- DOI：10.1007/BF02894245
  CLC：
- Published：2005
- Accepted：
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Zhengbin, Z., Chunying, L., Zhigang, Y. et al. Determination of copper complexation in surface microlayer of Daya Bay and Jiaozhou Bay., Chin. J. Ocean. Limnol. 23, 238–245 (2005). https://doi.org/10.1007/BF02894245
DOI：

Zhengbin, Z., Chunying, L., Zhigang, Y. et al. Determination of copper complexation in surface microlayer of Daya Bay and Jiaozhou Bay., Chin. J. Ocean. Limnol. 23, 238–245 (2005). https://doi.org/10.1007/BF02894245 DOI：

摘要

Abstract

Copper complexing ligands concentration (C C) and conditional stability constant of the sea surface microlayer (SML) and subsurface layer (SSL) samples

collected from Baya Bay of Guangdong Province and Jiaozhou Bay of Shandong Province

were determined by anodic stripping voltammetry (ASV) technique. C C of Daya Bay in the SML ranged from 6.19×10−7 to 3.52×10−7 mol/L.C C of Jiaozhou Bay in the SML ranged from 5.30×10−7 to 3.03×10−7 mol/L in August 1998 and from 3.46×10−7 to 1.36×10−7 mol/L in May 2000. TheC C concentrations were higher in all surface microlayer samples

compared with corresponding subsurface samples. The average enrichment factors of copper complexation in the SML observed above were 1.58

1.41 and 1.56

respectively. The enrichment ofC C concentration in the microlayer demonstrated that organic ligands had certain buffer action on the toxicity of the enriched trace metals in the same layer. Conditional stability constants of the SML in Jiaozhou Bay were lower than those of the SSL; however

it showed just opposite for Daya Bay.BOD (biological oxygen demand) andCOD (chemical oxygen demand) indicated the organic matter content

also showed enriched in the SML.C C had an obvious relationship withBOD orCOD.

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references

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