||Chlorodibenzo-p-diozin Contamination of Two Commercially Available Pentachlorophenols.
Villanueva, Ellen C. ;
Burse, Virlyn W. ;
Jennings., Ralph W. ;
||Environmental Protection Agency, Perrine, Fla. Primate and Pesticides Effects Lab.
Chlorine organic compounds ;
||Some EPA libraries have a fiche copy filed under the call number shown.
||A comparison was made of chlorodibenzo-p-dioxin contamination in a technical and an analytical grade of commercially available pentachlorophenols. Hexa-, hepta-, and octachlorodibenzo-p-dioxin were found in both samples. The technical product was more contaminated than the analytical one by factors of 1400, 600, and 539 for the hexa-, hepta-, and octachlorodibenzo-p-dioxin, respectively. Tetrachlorodibenzo-p-dioxin was not found. Results were determined by gas chromatography and confirmed by infrared spectrophotometry and mass spectrometry. Mass spectral analysis indicated the presence of polychlorodibenzofurans and polychlorodiphenyl ethers. A distinction was made, using gas chromatography-mass spectrometry, between the chlorodibenzofurans observed as original constituents of the pentachlorophenol and those derived from the fragmentation of chlorodiphenyl ethers.
||Pub. in Agricultural and Food Chemistry, v21 n4 p739-740 Jul/Aug 73.
||Included in the report, Journal Articles on Toxicology. Group 10, PB-280 085.
||Reprint: Chlorodibenzo-p-diozin Contamination of Two Commercially Available Pentachlorophenols,
|PUB Date Free Form
||5 Mar 73
||6T; 57Y; 68G; 68E
||(Order as PB-280 085, MF A01)