Premium
Hydroxypolychlorodibenzofurans in technical pentachlorophenol: Electron capture negative ion chemical ionization mass spectra of alkoxypolychlorodibenzofurans
Author(s) -
Deinzer M.,
Griffin D.,
Miller T.,
Lamberton J.,
Freeman P.,
Jonas V.
Publication year - 1982
Publication title -
biomedical mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0306-042X
DOI - 10.1002/bms.1200090209
Subject(s) - chemistry , pentachlorophenol , alkyl , mass spectrum , ion , electron ionization , alkoxy group , chemical ionization , protonation , mass spectrometry , ring (chemistry) , ionization , chlorine , polyatomic ion , analytical chemistry (journal) , chromatography , organic chemistry
A mixture of hydroxypolychlorodibenzofurans was isolated from technical pentachlorophenol. The alkyl ethers were prepared, and analyzed by fused silica capillary column gas chromatography electron capture negative ion chemical ionization mass spectrometry. The appearance of intense molecular ion peaks for the alkyl ethers apparently depends on the ring position of alkoxy substitution. Loss of chlorine atoms from the ring, followed by protonation of the resultant anion as the alkyl group is eliminated, is postulated on the basis of deuterium labeling experlments. Evidence is also presented for the presence of a hydroxyheptachlorodibenzodioxin in technical pentáchlorophenol.