<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>J.W. Ball</dc:contributor>
  <dc:creator>D. Kirk Nordstrom</dc:creator>
  <dc:date>1986</dc:date>
  <dc:description>&lt;p&gt;Speciation calculations for aluminum, in water samples taken from a drainage basin containing acid mine waters, demonstrate a distinct transition from conservative behavior for &lt;i&gt;p&lt;/i&gt;H. below 4.6 to nonconservative behavior for &lt;i&gt;p&lt;/i&gt;H. above 4.9. This transition corresponds to the &lt;i&gt;pK&lt;/i&gt; 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.&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1126/science.232.4746.54</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>American Association for the Advancement of Science</dc:publisher>
  <dc:title>The geochemical behavior of aluminum in acidified surface waters</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>