Investigation on the interaction between trace metals and humic acid in seawater

Sun Mingyi; Zhang Hao; Gu Hongkan

doi:10.1007/BF02846503

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Investigation on the interaction between trace metals and humic acid in seawater

Updated：2023-05-16

- Investigation on the interaction between trace metals and humic acid in seawater
- Journal of Oceanology and Limnology Vol. 6, Issue 3, Pages: 251-257(1988)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02846503
  CLC：
- Published：1988
- Accepted：
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Mingyi, S., Hao, Z. & Hongkan, G. Investigation on the interaction between trace metals and humic acid in seawater., Chin. J. Ocean. Limnol. 6, 251–257 (1988). https://doi.org/10.1007/BF02846503
DOI：

Mingyi, S., Hao, Z. & Hongkan, G. Investigation on the interaction between trace metals and humic acid in seawater., Chin. J. Ocean. Limnol. 6, 251–257 (1988). https://doi.org/10.1007/BF02846503 DOI：

摘要

Abstract

The interactions between trace metals and humic acid in seawater influence the metal species distribution and the various geochemical pathways. An approach for investigating these interactions based on stripping polarography is proposed. The basic principle is that the half-wave potentials of the stripping polarogram shift negatively with the increase of concentrations of humic acid. From the results of calculation

it may be concluded that the species of Pb-HA complex is less than 5% of total lead in seawater but has significant percentage in estuary

and that Pb-HA complex exists mainly as 1∶1 form.

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references

Kounaves, S. P. and A. Zirino, 1979. Studies of cadmium-ethylendiamine complex formation in seawater by computer-assisted stripping polarography.Anal. Chim. Acta 109: 327–339.

Shuman, M. S. and J. L. Cromer, 1979. Pseudopolarograms: Applied potential-anodic stripping peak current relationships.Anal. Chem. 51: 1546–1550.

Sun Mingyi, 1985. The apparent copper complexing capacity of seawater and the interaction of copper with humic matter.Chin. J. Oceanol. Limnol. 3: 224–234.

Turner, D. R. and M. Whitfield, 1979. The reversible electrodeposition of trace metal ions from multi-ligand system: Part II. Calculations on the electrochemical availability of lead at trace levels in seawater.J. Electrochem. 103: 61–79

Zirino, A. and S. P. Kounaves, 1977. Anodic stripping peak currents: electrolysis potential relationships for reversible system.Anal. Chem. 49: 56–59.

Zirino, A. and S. P. Kounaves, 1980. Stripping polarography and the reduction of copper(II) in seawater at the hanging mercury drop electrode.Anal. Chim. Acta 113: 79–90.

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