<?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>Kirkwood M. Cunningham</dc:contributor>
  <dc:contributor>George R. Aiken</dc:contributor>
  <dc:contributor>Eugene R. Weiner</dc:contributor>
  <dc:creator>Marvin C. Goldberg</dc:creator>
  <dc:date>1992</dc:date>
  <dc:description>&lt;p&gt;Terpenes are produced abundantly by environmental processes but are found in very low concentrations in natural waters. Aqueous photolysis of solutions containing &amp;alpha;-pinene, a representative terpene, in the presence of humic acid resulted in degradation of the pinene. Comparison of this reaction to photolysis of &amp;alpha;-pinene in the presence of methylene blue leads to the conclusion that the reactive pathway for the abiotic degradation of &amp;alpha;-pinene is due to reaction with singlet oxygen produced by irradiation of the humic material. The initial product of single oxygen and &amp;alpha;-pinene is a hydroperoxide. Since humic materials are prevalent in most natural waters, this mechanism of photodecomposition for &amp;alpha;-pinene probably also applies to other terpenes in surface waters and may be reasonably considered to contribute to their low environmental concentration.&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1016/0169-7722(92)90051-F</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Elsevier</dc:publisher>
  <dc:title>The aqueous photolysis of α-pinene in solution with humic acid</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>