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 Concept Videos

Voltammetric Techniques: Pulse Voltammetry01:17

Voltammetric Techniques: Pulse Voltammetry

1.8K
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring the resulting current. In DPV, the differential pulse or small potential pulses are superimposed on a linear potential sweep. The magnitude of these pulses is typically small, often in the millivolt range. Each voltage pulse lasts a short duration, usually in the order of a few milliseconds, and is applied at regular intervals along the...
1.8K
Voltammetric Techniques: Linear-Scan (E vs Time)01:12

Voltammetric Techniques: Linear-Scan (E vs Time)

1.4K
Polarography is a classical voltammetric technique used to analyze electrochemical reactions. This method applies a linear potential sweep to a dropping mercury electrode (DME), and the resulting current is measured. A dropping mercury electrode is commonly used as the working electrode in polarography. It consists of a capillary tube filled with mercury, where the tiny droplet forms at the tip. This droplet continuously drops from the capillary, creating a new electrode surface for each...
1.4K
Flame Photometry: Lab01:16

Flame Photometry: Lab

1.1K
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...
1.1K
Voltammetric Techniques: Cyclic Voltammetry01:10

Voltammetric Techniques: Cyclic Voltammetry

1.8K
Cyclic voltammetry (CV) is an electrochemical technique used to investigate the redox properties of a chemical species. It involves measuring the current response of an electrochemical cell as a function of the applied potential. The setup for cyclic voltammetry typically consists of a working electrode, a reference electrode, and a counter electrode—all immersed in an electrolyte solution. The working electrode is where the redox reaction of interest occurs, while the reference electrode...
1.8K
Controlled-Potential Coulometry: Electrolytic Methods01:17

Controlled-Potential Coulometry: Electrolytic Methods

803
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential is precisely regulated using a potentiostat. Platinum working electrodes are utilized for positive potentials, while mercury pool electrodes are favored for extremely negative potentials. The platinum counter electrode is separated from the analyte using a membrane or salt bridge to avoid interference in the analysis.
The chosen potential...
803
Voltammetry: Stripping Methods01:13

Voltammetry: Stripping Methods

1.1K
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used to determine trace amounts of analytes in solution. These methods involve applying a potential to an electrode and measuring the resulting current.
Anodic Stripping Voltammetry (ASV)
ASV is used to determine metals and metalloids at trace levels. It involves two steps: deposition and stripping. First, a negative potential is applied to the...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Exploring the effects of pH, ionic strength, and temperature on bisulfide sorption onto bentonite via experiments and numerical modelling.

Journal of contaminant hydrology·2026
Same author

Interplay between noble gases and MOFs: Insights from <sup>129</sup>Xe and <sup>83</sup>Kr NMR spectroscopy.

Science advances·2025
Same author

Decoding global precipitation processes and particle evolution using unsupervised learning.

Science advances·2025
Same author

In Situ Quantification of a Wetted Surface Area during Scanning Electrochemical Cell Microscopy Using Retraction Curves.

ACS measurement science au·2025
Same author

Analysis of Interactions Between Pyomelanin and the Extracellular Matrix in an Ex Vivo Turkey Tendon Model.

ChemistryOpen·2025
Same author

Minimal changes in microbial abundances and diversity over 7 years of emplacement for modules of compacted bentonite exposed to natural groundwater.

Applied and environmental microbiology·2025

Related Experiment Video

Updated: Mar 12, 2026

Dynamic Electrochemical Measurement of Chloride Ions
07:32

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

12.1K

In Situ Monitoring of Hypochlorite Decay under Radiation Using Differential Pulse Voltammetry.

Taras Skotar1, Emmanuel Mena-Morcillo1, Reza Moshrefi1

  • 1Department of Chemistry, The University of Western Ontario, London, Ontario N6A 5B7, Canada.

ACS Electrochemistry
|March 11, 2026
PubMed
Summary

This study tracks hypochlorite decay under gamma radiation using electrochemistry and kinetic modeling. It reveals key reaction pathways and validates a new method for analyzing radiolysis products in nuclear environments.

Keywords:
differential pulse voltammetrygamma radiationhypochlorite kineticsin situ monitoringradiation electrochemistryradiolysis

More Related Videos

Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation
14:22

Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation

Published on: April 11, 2014

15.7K
Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures
10:00

Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures

Published on: August 31, 2017

16.1K

Related Experiment Videos

Last Updated: Mar 12, 2026

Dynamic Electrochemical Measurement of Chloride Ions
07:32

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

12.1K
Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation
14:22

Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation

Published on: April 11, 2014

15.7K
Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures
10:00

Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures

Published on: August 31, 2017

16.1K

Area of Science:

  • Nuclear Chemistry
  • Materials Science
  • Electrochemistry

Background:

  • Assessing long-term material performance in nuclear environments requires understanding corrosive oxidant evolution under gamma radiation.
  • Hypochlorite (OCl-) is a key oxidant whose behavior under irradiation is critical for nuclear applications.

Purpose of the Study:

  • To integrate *in situ* differential pulse voltammetry (DPV) with finite-element kinetic modeling to track and interpret hypochlorite decay under gamma radiation.
  • To validate DPV as a radiation electroanalytical method for detecting radiolysis products.

Main Methods:

  • Utilized *in situ* differential pulse voltammetry (DPV) with a three-electrode setup in a 60Co γ-cell.
  • Quantified hypochlorite concentrations and validated results using UV-vis spectroscopy.
  • Employed finite-element kinetic modeling based on a radiolysis/halogen reaction scheme.

Main Results:

  • Observed a decrease in initial 10 mM hypochlorite to ~1 mM after 24 hours under a dose rate of 725 Gy h-1.
  • Kinetic analysis indicated OH• abstraction (~71%) as the dominant HOCl consumption pathway.
  • Identified feedback mechanisms where added HOCl influences OH• and H2O2 formation.

Conclusions:

  • DPV is validated as an effective *in situ* radiation electroanalytical method.
  • The combined approach provides mechanistic insights into hypochlorite transformation in saline waters.
  • Establishes a radiation-electrochemistry platform for time-resolved detection of radiolysis products relevant to nuclear waste containment.