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

Determining conditional stability constants for Pb complexation by carboxymethyl-beta-cyclodextrin (CMCD).

Magnus E Skold1, Geoffrey D Thyne, John W Drexler

  • 1Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO, USA. magnus.skold@arcadis-us.com

Journal of Contaminant Hydrology
|April 7, 2007
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

Addressing the Problem of Hard-to-Reach Unpublished Data from Theses in University Repositories.

Ground water·2025
Same author

Influence of kinetic air-water interfacial partitioning on unsaturated transport of PFAS in sandy soils.

The Science of the total environment·2024
Same author

Surface water quality database for five watersheds in the Arequipa region of Southern Peru.

Data in brief·2024
Same author

Heavy Metal Bioaccumulation in Peruvian Food and Medicinal Products.

Foods (Basel, Switzerland)·2024
Same author

Estimating historical exposure to perfluoroalkyl acids in Security, Fountain, and Widefield Colorado: use of water-infrastructure blending and toxicokinetic models.

Environmental science. Processes & impacts·2023
Same author

Simulated leaching of PFAS from land-applied municipal biosolids at agricultural sites.

Journal of contaminant hydrology·2022
Same journal

Monsoon-driven spatio-temporal dynamics of microplastics in Brahmaputra riverbank sediments: Quantification using spectroscopic, pollution index and multivariate analysis.

Journal of contaminant hydrology·2026
Same journal

A robust Sentinel-2-based high-frequency optical sensing framework for understanding asymmetric turbidity responses to hydrological regulation in deep reservoirs.

Journal of contaminant hydrology·2026
Same journal

Microplastic transport in meandering open-channel flows: Coupled effects of sinuosity and particle density.

Journal of contaminant hydrology·2026
Same journal

Hydrochemical evolution rate response to pumping-induced hydrodynamic changes in an urban aquifer: A case study from Chifeng City, China.

Journal of contaminant hydrology·2026
Same journal

Visualization of the influence of sodium citrate on iron and uranium precipitation in a 2D laboratory scale tank.

Journal of contaminant hydrology·2026
Same journal

Dynamic adsorption behavior of bio-based adsorbent for multicomponent wastewater.

Journal of contaminant hydrology·2026
See all related articles

Carboxymethyl-beta-cyclodextrin (CMCD) shows promise for remediating metal-contaminated sediments. This study determined the stability constant for CMCD-lead complexes, providing a robust method for evaluating metal-complexing agents.

Area of Science:

  • Environmental Chemistry
  • Geochemistry
  • Analytical Chemistry

Background:

  • Carboxymethyl-beta-cyclodextrin (CMCD) is a potential agent for remediating metal-contaminated sediments.
  • Accurate stability constants are crucial for understanding metal-complexing agents in environmental applications.

Purpose of the Study:

  • To determine the stability constants for CMCD-lead complexes.
  • To demonstrate a rigorous methodology for estimating stability constants of metal-complexing agents.
  • To evaluate CMCD's potential in sediment remediation.

Main Methods:

  • Utilized the geochemical model PHREEQC coupled with the UCODE_2005 optimization program.
  • Assumed a reaction between divalent CMCD(2-) and Pb(2+) using the WATEQ activity coefficient formulation.

Related Experiment Videos

  • Employed automated parameter optimization to determine stability constants and assess model appropriateness.

    • Main Results:

    • The conditional stability constant for the lead-CMCD aqueous complex was determined to be 10(5.18).
    • The 95% confidence interval for the stability constant ranged from 10(5.14) to 10(5.22).
    • The methodology allowed for rapid optimization, uncertainty determination, and statistical analysis of conceptual models.

    Conclusions:

    • The developed methodology provides a robust and automated approach for determining stability constants of metal-complexing agents.
    • CMCD demonstrates potential for lead remediation in contaminated sediments.
    • The study highlights the importance of rigorous methods for evaluating environmental remediation agents.