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

Redox Reactions01:24

Redox Reactions

59.0K
Oxidation-reduction or redox reactions involve the transfer of electrons from one molecule or atom to another. When an atom gains an electron, another atom must lose an electron, meaning oxidation and reduction must occur together. Since the redox occurs in pairs, the atom that gets oxidized is also called the reducing agent or reductant, and the atom that is reduced is also called the oxidizing agent or oxidant. A straightforward way to remember the definitions of oxidation and reduction is...
59.0K
Corrosion02:49

Corrosion

28.7K
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
28.7K
Acid Halides to Ketones: Gilman Reagent01:14

Acid Halides to Ketones: Gilman Reagent

4.1K
Lithium dialkyl cuprate, also known as Gilman reagents, selectively reduces acid halides to ketones. The acid chloride is treated with Gilman reagent at −78 °C in the presence of ether solution to produce a ketone in good yield.
As shown below, the mechanism proceeds in two steps. First, one of the alkyl groups of the reagent acts as a nucleophile and attacks the acyl carbon of the acid chloride to form a tetrahedral intermediate. This is followed by the reformation of the carbon–oxygen...
4.1K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.2K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.2K
Electrodeposition01:08

Electrodeposition

1.6K
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
1.6K
Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

4.4K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
4.4K

You might also read

Related Articles

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

Sort by
Same author

Bypassing Schottky constraints via defect-mediated hydrogen transfer in hydrodechlorination.

Nature communications·2026
Same author

Atomic Interfacial <i>N</i>-Bridging Locks <i>Z</i>-Scheme Charge Transfer in CsPbBr<sub>3</sub>@UiO-66-NH<sub>2</sub> Heterojunctions.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Data-driven insights into real-world N<sub>2</sub>O emissions across conventional and hybrid vehicles: Transient impacts and driving factor identification.

Journal of hazardous materials·2026
Same author

Spin-State Engineering at the FeS<sub>2</sub> Interface via CO<sub>2</sub>: Dual-Channel Activation of Fe(II) for Enhanced <sup>•</sup>OH Generation.

Environmental science & technology·2026
Same author

Mineral-Edge-Directed Self-Assembly of Fe-Mo-S Interfaces for Groundwater Dehalogenation.

Environmental science & technology·2026
Same author

Deep tree roots at risk of accelerating groundwater pollution beneath clay-rich aquitards.

Nature communications·2026

Related Experiment Video

Updated: Feb 19, 2026

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
09:12

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst

Published on: May 21, 2019

9.9K

Copper-mediated reductive dechlorination by green rust intercalated with dodecanoate.

Li-Zhi Huang1, Zhou Yin2, Nicola G A Cooper2

  • 1School of Civil Engineering, Wuhan University, No. 8, East Lake South Road, Wuhan, PR China; Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg C, Denmark; Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark.

Journal of Hazardous Materials
|November 13, 2017
PubMed
Summary

Copper-amended green rust (GRC12(Cu)) significantly accelerates the dechlorination of carbon tetrachloride (CT) and chloroform (CF) by acting as a catalyst. This enhanced reactivity offers new insights into catalytic dechlorination processes.

Keywords:
Chlorinated solventsCopper(I)Layered double hydroxide (LDH)Metal catalysisRemediation

More Related Videos

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
15:19

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Published on: October 15, 2015

10.2K
Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition
08:31

Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition

Published on: October 3, 2018

9.0K

Related Experiment Videos

Last Updated: Feb 19, 2026

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
09:12

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst

Published on: May 21, 2019

9.9K
Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
15:19

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Published on: October 15, 2015

10.2K
Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition
08:31

Anaerobic Protein Purification and Kinetic Analysis via Oxygen Electrode for Studying DesB Dioxygenase Activity and Inhibition

Published on: October 3, 2018

9.0K

Area of Science:

  • Environmental Chemistry
  • Materials Science
  • Catalysis

Background:

  • Layered iron hydroxides, known as green rust (GR), are reactive minerals with potential applications in environmental remediation.
  • Intercalation of dodecanoate into GR (GRC12) modifies its interlayer spacing and reactivity.
  • Copper (Cu) is known to catalyze various chemical reactions, including dechlorination.

Purpose of the Study:

  • To investigate the effect of copper amendment on the dechlorination efficiency of dodecanoate-intercalated green rust (GRC12).
  • To elucidate the reaction pathways and products of chlorinated solvent degradation mediated by GRC12(Cu).
  • To understand the role and location of copper species in the dechlorination process.

Main Methods:

  • Synthesis of dodecanoate-intercalated green rust (GRC12) and its copper-amended form (GRC12(Cu)).
  • Reaction of GRC12(Cu) and GRC12 with various chlorinated solvents: chloroform (CF), carbon tetrachloride (CT), trichloroethylene (TCE), and tetrachloroethylene (PCE).
  • Analysis of degradation products using techniques such as High-Resolution Transmission Electron Microscopy (HRTEM).

Main Results:

  • GRC12(Cu) demonstrated a 37-fold increase in the reduction rate of carbon tetrachloride (CT) compared to GRC12 alone.
  • Chloroform (CF) was reduced by GRC12(Cu), a reaction not observed with GRC12.
  • The primary degradation products for CT were carbon monoxide and formate, indicating a dichloroelimination pathway.
  • Neither GRC12(Cu) nor GRC12 reacted with TCE or PCE, suggesting size limitations for interlayer transport.
  • Copper was found to be evenly distributed within the GR structure, with active CuI sites likely located in the interlayer space.

Conclusions:

  • Copper amendment significantly enhances the catalytic activity of GRC12 for the dechlorination of specific chlorinated solvents like CT and CF.
  • The study provides mechanistic insights into copper-accelerated dechlorination by layered double hydroxides.
  • The findings highlight the potential of modified green rust materials for environmental remediation of chlorinated contaminants.