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The geochemical behavior of aluminum in acidified surface waters

Science

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Abstract

Speciation calculations for aluminum, in water samples taken from a drainage basin containing acid mine waters, demonstrate a distinct transition from conservative behavior for pH. below 4.6 to nonconservative behavior for pH. above 4.9. This transition corresponds to the pK for the first hydrolysis constant of the aqueous aluminum ion and appears to be a consistent phenomenon independent of field location, ionic strength, and sulfate concentration. Nonconservative behavior is closely correlated with the equilibrium solubility of a microcrystalline gibbsite or amorphous aluminum hydroxide.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The geochemical behavior of aluminum in acidified surface waters
Series title:
Science
Volume
232
Issue:
4746
Year Published:
1986
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
54
Last page:
56
Number of Pages:
3