Efficient ?total? extraction of perfluorooctanoate from polytetrafluoroethylene fluoropolymer Larsen, Barbara S. ; Kaiser, Mary A. ; Botelho, Miguel A. ; Bachmura, Stanley F. ; Buxton, L. William Abstract Publication: The Analyst Pub Date: 2006 DOI: 10.1039/b606801d Bibcode: 2006Ana...131.1105L