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Chemical and physical speciation of arsenic in a small pond receiving gold mine waste effluent

journal contribution
posted on 2002-11-01, 00:00 authored by R Sproal, N Turoczy, Francesco Stagnitti
The chemical and physical speciation of arsenic in a small pond that receives wastewater from a gold mine operation in western Victoria, Australia was studied using differential pulse polarography. By using different sample pretreatments, distinction between the physical states (dissolved or particulate As), between the oxidation states (As(III) or As(V)), and between the degrees of lability (labile or strongly bound) was achieved. The results are interpreted in terms of the physicochemical properties with reference to the use of the pond as a settlement dam for gold mining effluent. The speciation of arsenic was found to vary markedly with the physicochemical properties of the water. A model for the behavior of arsenic in the pond is proposed.

History

Journal

Ecotoxicology and environmental safety

Volume

53

Issue

3

Pagination

370 - 375

Publisher

Academic Press

Location

San Diego, United States

ISSN

0147-6513

eISSN

1090-2414

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2002 Elsevier Science (USA)

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