Effects of chemical speciation in growth media on the toxicity of mercury(II)
Journal Article
·
· Applied and Environmental Microbiology; (United States)
OSTI ID:6307384
- Univ. of Saskatchewan, Saskatoon (Canada)
The bioavailability and toxicity of trace metals to aquatic microbiota are influenced by the chemical form (aqueous species) of the metal. However, the interpretation of bioassay results, and the extrapolation of these results to in situ conditions, is often complicated by the inclusion of complex soluable organics in the bioassay media. This investigation (1) evaluates the effects of complex soluable organics on the acute toxicity of mercury (II) to a Pseudomonas fluorescens isolate in a chemically well-defined synthetic growth media, (2) computes the effects of these organics on the aqueous speciation of mercury (II) in the media, and (3) ascertains the dependence of toxicity on the chemical speciation of mercury (II). 25 refs., 3 figs., 6 tabs.
- OSTI ID:
- 6307384
- Journal Information:
- Applied and Environmental Microbiology; (United States), Journal Name: Applied and Environmental Microbiology; (United States) Vol. 59:5; ISSN AEMIDF; ISSN 0099-2240
- Country of Publication:
- United States
- Language:
- English
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