Record Display for the EPA National Library Catalog

RECORD NUMBER: 29 OF 192

Main Title Chlorodibenzo-p-diozin Contamination of Two Commercially Available Pentachlorophenols.
Author Villanueva, Ellen C. ; Burse, Virlyn W. ; Jennings., Ralph W. ;
CORP Author Environmental Protection Agency, Perrine, Fla. Primate and Pesticides Effects Lab.
Year Published 1973
Stock Number PB-280 096
Additional Subjects Pesticides ; Toxicology ; Contaminants ; Chlorine organic compounds ; Furans ; Polymers ; Dioxin/chlorodibenzo ; Reprints ; Phenol/pentachloro ; Poly(furan/chloro-dibenzo) ; Poly(ether/chloro-diphenyl) ; Toxic substances
Holdings
Library Call Number Additional Info Location Last
Modified		 Checkout
Status
NTIS  PB-280 096 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 4p
Abstract
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.