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- Title
MEASURING THE PARTITIONING OF SILVER TO ORGANIC CARBON USING SOLUBILITY ENHANCEMENT.
- Authors
Rader, Kevin J.; Shadi, Timothy S.; Mahony, John D.; Di Toro, Dominic M.
- Abstract
Ionic silver is toxic to aquatic organisms at low concentrations. However, complexation to binding sites on natural organic matter has been shown to reduce silver toxicity. Research indicates that there is a need to develop reliable methods for characterizing silver binding at very low silver ion concentrations where strong binding sites have a significant influence on silver speciation. This study provides an analytical method for measuring silver binding using a solubility-enhancement procedure. Preliminary experimental results are provided that demonstrate strong silver binding in the presence of natural organic matter at very low silver ion concentrations.
- Subjects
SILVER; ORGANIC compounds; CARBON; AQUATIC biology; AQUATIC organisms; SOLUBILITY
- Publication
Environmental Toxicology & Chemistry, 2005, Vol 24, Issue 11, p47
- ISSN
0730-7268
- Publication type
Article
- DOI
10.1897/04-577R.1