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

Dissolution studies on TiO2 with organics.

Amitava Mukherjee1, Ashok M Raichur, Jayant M Modak

  • 1Department of Metallurgy, Indian Institute of Science, Bangalore 560012, India.

Chemosphere
|October 6, 2005
PubMed
Summary
This summary is machine-generated.

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

Editorial: Spatial and regional mapping of brain neural communication.

Frontiers in cellular neuroscience·2026
Same author

Ecofriendly algal extracellular polymeric substance-based nanobiocomposite for photodegradation of bisphenol A.

iScience·2025
Same author

Disruption of CD91 association with AXL and Fgr abrogates HSP-mediated signaling and cancer immunosurveillance.

Oncoimmunology·2025
Same author

Release study of microplastic fibres and heavy metals from disposable surgical face masks in aqueous medium: the effect of physio-chemical factors and shear forces.

RSC advances·2025
Same author

Room-temperature synthesis of silver-based nanoparticle-embedded hydrogel material <i>via</i> catalytic crosslinking for recyclable dye degradation applications.

RSC advances·2025
Same author

Radiation-induced Lung Injury (RILI) in Non-human Primates (NHPs) Induces Cellular Senescence and Upregulation of Tyrosine Kinase Fgr, which is Detectable in Bronchoalveolar Lavage.

Radiation research·2025

Organic reducing agents like ascorbic acid and oxalic acid effectively dissolve titanium dioxide (TiO2). Combining oxalic and ascorbic acid significantly enhances TiO2 dissolution, showing potential for industrial applications.

Area of Science:

  • Materials Science
  • Chemical Engineering
  • Environmental Chemistry

Background:

  • Titanium dioxide (TiO2) is a widely used material with applications in pigments, catalysts, and photocatalysis.
  • Efficient methods for dissolving TiO2 are crucial for its recycling and recovery.
  • Organic reducing agents offer a potential pathway for TiO2 dissolution.

Purpose of the Study:

  • To investigate the efficacy of organic reducing agents (ascorbic acid, oxalic acid, L-cysteine) in dissolving commercial TiO2.
  • To determine the optimal conditions for TiO2 dissolution using these reagents.
  • To evaluate the synergistic effects of combined reducing agents on TiO2 dissolution rates.

Main Methods:

  • Kinetic studies were performed to monitor TiO2 dissolution over time.

Related Experiment Videos

  • Varying concentrations of ascorbic acid, oxalic acid, and L-cysteine were tested.
  • Equi-molar combinations of reducing agents were evaluated.

    • Main Results:

    • Ascorbic acid dissolved up to 45% of TiO2 in 4 hours at a 1:2 oxide:acid molar ratio.
    • Dissolution increased with reagent concentration up to a 1:3 molar ratio, with further additions showing no additional effect.
    • A combination of oxalic acid and ascorbic acid enhanced TiO2 dissolution to 60% in 2.5 hours.
    • L-cysteine with ascorbic acid achieved 50% dissolution in 1 hour.

    Conclusions:

    • Ascorbic acid and oxalic acid are effective organic reducing agents for TiO2 dissolution.
    • Synergistic effects were observed when combining oxalic acid with ascorbic acid, leading to significantly enhanced dissolution.
    • The findings suggest potential for optimized TiO2 dissolution processes using specific combinations of organic reducing agents.