Comparing CLE-AdCSV applications using SA and TAC to determine the Fe-binding characteristics of model ligands in seawater

Gerringa, Loes J. A.; Gledhill, Martha; Ardiningsih, Indah; Muntjewerf, Niels; Laglera, Luis M.

doi:https://doi.org/10.5194/bg-18-5265-2021

Articles | Volume 18, issue 19

https://doi.org/10.5194/bg-18-5265-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-18-5265-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 19

Research article

|

30 Sep 2021

Research article |

| 30 Sep 2021

Comparing CLE-AdCSV applications using SA and TAC to determine the Fe-binding characteristics of model ligands in seawater

Loes J. A. Gerringa, Martha Gledhill, Indah Ardiningsih, Niels Muntjewerf, and Luis M. Laglera

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https://doi.org/10.5194/bg-18-5265-2021-supplement

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Comparing CLE-AdCSV applications using SA and TAC to determine the Fe binding characteristics of model ligands in seawater Loes. J.A. Gerringa, Martha Gledhill, Indah Ardiningsih, Niels Muntjewerf, Luis M.Laglera https://dataportal.nioz.nl/doi/10.25850/nioz/7b.b.qb

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For 3 decades, competitive ligand exchange–adsorptive cathodic stripping voltammetry was used to estimate the Fe-binding capacity of organic matter in seawater. In this paper the performance of the competing ligands is compared through the analysis of a series of model ligands. The main finding of this paper is that the determined speciation parameters are not independent of the application, making interpretation of Fe speciation data more complex than it was thought before.