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Copper, lead, mercury and zinc in periphyton from the south Florida ecosystem

Toxicological and Environmental Chemistry

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Abstract

Periphyton samples from the Big Cypress National Preserve were analyzed for concentrations of copper, lead, zinc, mercury, and methylmercury. Concentrations of organic carbon, inorganic carbon, nitrogen, and phosphorus in periphyton samples also were determined. The samples were extracted with sodium acetate solution at a pH of 5.5 to determine exchangeable and carbonate phase metal concentrations in periphyton. Total metal concentrations in the periphyton were directly related to the degree of calcite saturation in the water column. Exchangeable and carbonate phase metal concentrations were directly related to the percent inorganic carbon in the samples. A connection between the geochemistry of trace metals and calcite precipitation and dissolution is suggested.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Copper, lead, mercury and zinc in periphyton from the south Florida ecosystem
Series title:
Toxicological and Environmental Chemistry
Volume
70
Issue:
3-4
Year Published:
1999
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Toxicological and Environmental Chemistry
First page:
259
Last page:
274