Asbestos-induced decomposition of hydrogen peroxide

Decomposition of H2O2 by chrysotile asbestos was demonstrated employing titration with KMnO4. The participation of OH radicals in this process was delineated employing the OH radical scavenger dimethyl sulfoxide (DMSO). A mechanism involving the Fenton and Haber-Weiss reactions as the pathway for th...

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Veröffentlicht in:	Environ. Res.; (United States) 1985-08, Vol.37 (2), p.287-292
Hauptverfasser:	Eberhardt, Manfred K., Román-Franco, Angel A., Quiles, Margarita R.
Format:	Artikel
Sprache:	eng
Schlagworte:	560301 - Chemicals Metabolism & Toxicology- Cells- (-1987) ANIMAL CELLS ASBESTOS Asbestos - pharmacology Biological and medical sciences BIOLOGICAL EFFECTS BIOLOGICAL PATHWAYS CARCINOGENESIS Chemical and industrial products toxicology. Toxic occupational diseases Chemical Phenomena CHEMICAL REACTIONS Chemistry DATA DECOMPOSITION Dimethyl Sulfoxide DMSO Drug Interactions EXPERIMENTAL DATA HYDROGEN COMPOUNDS HYDROGEN PEROXIDE HYDROXYL RADICALS INFORMATION Inorganic dusts (pneumoconiosises) and organic dusts (byssinosis etc.) Medical sciences NUMERICAL DATA ORGANIC COMPOUNDS ORGANIC SULFUR COMPOUNDS OXYGEN COMPOUNDS PATHOGENESIS PEROXIDES RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT RADICALS Solutions SULFOXIDES Toxicology
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Zusammenfassung:	Decomposition of H2O2 by chrysotile asbestos was demonstrated employing titration with KMnO4. The participation of OH radicals in this process was delineated employing the OH radical scavenger dimethyl sulfoxide (DMSO). A mechanism involving the Fenton and Haber-Weiss reactions as the pathway for the H2O2 decomposition and OH radical production is postulated.
ISSN:	0013-9351 1096-0953
DOI:	10.1016/0013-9351(85)90108-2