Measuring the partitioning of silver to organic carbon using solubility enhancement.

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.

journal_name

Environ Toxicol Chem

authors

Rader KJ,Shadi TS,Mahony JD,Di Toro DM

doi

10.1897/04-577r.1

subject

Has Abstract

pub_date

2005-11-01 00:00:00

pages

2833-8

issue

11

eissn

0730-7268

issn

1552-8618

journal_volume

24

pub_type

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