Negative ion mass spectra of some polychlorinated 2-phenoxyphenols. | Zendy

K. L. Busch | Zendy; Åke Norström | Zendy; Charlotte Nilsson | Zendy; Maurice M. Bursey | Zendy; J. Ronald Hass | Zendy

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Negative ion mass spectra of some polychlorinated 2-phenoxyphenols.

Author(s) -

K. L. Busch,

Åke Norström,

Charlotte Nilsson,

Maurice M. Bursey,

J. Ronald Hass

Publication year - 1980

Publication title -

environmental health perspectives

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.257

H-Index - 282

eISSN - 1552-9924

pISSN - 0091-6765

DOI - 10.1289/ehp.8036125

Subject(s) - chemistry , ion , mass spectrum , mass spectrometry , substituent , dissociation (chemistry) , collision induced dissociation , electron ionization , analytical chemistry (journal) , spectral line , tandem mass spectrometry , environmental chemistry , organic chemistry , chromatography , physics , astronomy , ionization

Polychlorinated 2-phenoxyphenols were studied by negative ion mass spectrometry. Common to almost all of the methane enhanced negative ion mass spectra were (M-1)-, (M-36-)-., (M-37)-, (M-72)-., and chorinated quinoxide ions. The (M-36)-. ion does not apparently form in a mechanism analogous to the thermal or photochemical ring closure of these compounds to form the chlorinated dioxins. The chlorinated quinoxide ion reflects the number of chlorines on the ring with hydroxy substituent. Collision-induced dissociation mass-analyzed ion kinetic energy spectra (CID-MIKES) from different isomers were qualitatively different in both the normal and charge reversed mode of operation. Comparison of these spectra with those from other classes of polychlorinated aromatic hydrocarbons such as the dioxins or the furans may reveal a common negative ion gas phase chemistry.

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