Preconcentration for Improved Long-Term Monitoring of Contaminants in Groundwater: Sorbent Development
Abstract
This report summarizes the results of studies directed at the development of organosilicate sorbents for the capture and preconcentration of nitroenergetics targets and perchlorates from natural water sources. Two distinct types of sorbents were developed. The first, directed at nitroenergetics, utilizes new approaches to target templating and a hierarchical structure. The second, directed at perchlorates, utilizes the hierarchical structure with alkylammonium surface modifications. Both materials provide semiselective target capture and offer advantages over commercially available products. Application of the sorbents in single and mixed target solutions is demonstrated. Nitroenergetic capture from natural water sources is also evaluated.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 11, 2013
- Accession Number
- ADA579992
Entities
People
- Brandy J. Johnson
- Brian J Melde
- Paul T. Charles
Organizations
- United States Naval Research Laboratory