Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Metal-organic complexation in the marine environment.

G W Luther1, T F Rozan, A Witter

  • 1College of Marine Studies, University of Delaware, Lewes, DE 19958, USA. luther@udel.edu

Geochemical Transactions
|June 9, 2006
PubMed
Summary

Voltammetric methods like anodic stripping voltammetry (ASV) and cathodic stripping voltammetry competitive ligand experiments (CSV-CLE) assess metal-organic complexation in seawater. Pseudovoltammetry offers a more detailed analysis of specific metal-ligand complexes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

What is required to deliver practice-changing neoadjuvant trials in kidney cancer? An International Neoadjuvant Kidney Cancer Consortium Delphi study.

Annals of oncology : official journal of the European Society for Medical Oncology·2025
Same author

A cold-atom Ramsey clock with a low volume physics package.

Scientific reports·2024
Same author

External validation of a low fidelity dry-lab platform to enhance loupes surgical skills techniques for hypospadias repair.

Journal of pediatric urology·2022
Same author

Recent declines in salmon body size impact ecosystems and fisheries.

Nature communications·2020
Same author

Erratum: Evolution of π^{0} Suppression in Au+Au Collisions from sqrt[s_{NN}]=39 to 200 GeV [Phys. Rev. Lett. 109, 152301 (2012)].

Physical review letters·2020
Same author

Commentary on Ferguson, et al., "Impact of Non-pharmaceutical Interventions (NPIs) to Reduce COVID-19 Mortality and Healthcare Demand".

Bulletin of mathematical biology·2020

Area of Science:

  • Analytical Chemistry
  • Marine Chemistry
  • Electrochemistry

Background:

  • Seawater metal-organic complexation is crucial for understanding metal bioavailability and biogeochemical cycles.
  • Accurate assessment of metal-ligand interactions is essential for environmental monitoring and research.

Purpose of the Study:

  • To review and compare voltammetric techniques for analyzing metal-organic complexation in seawater.
  • To highlight the strengths and limitations of different voltammetric approaches.

Main Methods:

  • Anodic stripping voltammetry (ASV) and cathodic stripping voltammetry competitive ligand experiments (CSV-CLE) titration methods.
  • Kinetic CSV-CLE approach.
  • Pseudovoltammetry using modified ASV deposition potentials.

Related Experiment Videos

Main Results:

  • Titration methods (ASV, CSV-CLE) provide information on excess ligand and conditional stability constants, with corrections for metal side reactions.
  • Pseudovoltammetry allows for the determination of individual metal-ligand complex concentrations and thermodynamic stability constants, correcting for both metal and ligand side reactions.
  • CSV-CLE data for Fe(III) organic complexes are consistent across different ligands.

Conclusions:

  • Pseudovoltammetry offers a more comprehensive understanding of specific metal-ligand complexes compared to traditional titration methods.
  • While titration methods yield conditional stability constants, pseudovoltammetry provides thermodynamic constants and individual complex concentrations.
  • Differences in results between methods can arise from the varying nature of 'excess ligand' versus 'actual ligands' in seawater samples.