(Toxic organic compounds)
The general theme of this program has been the identification of potentially toxic organic compounds associated with various combustion effluents, following the fates of these compounds in the environment, and improving the analytical methodology for making these measurements. Over the years, Professor Hites' interest has ranged from polycyclic aromatic hydrocarbons to diesel exhaust to chlorinated dioxins. At the moment, work in his laboratory is increasingly focused on the fundamentals of mass spectrometry although he continues to be interested in environmental processes and measurements. Electron capture, negative ionization, mass spectrometry is a particularly important technique for environmental contaminant analysis. Many such contaminants contain electronegative atoms (such as chlorine); thus, negative ionization techniques provide both high specificity as well as high sensitivity. Her work focused on identifying the instrumental parameters which caused variation both within and between laboratories. It turned out that careful control of ion source lens potentials and temperature and eliminating extraneous oxygen allowed her to achieve reproducible spectra. She studied the fragmentation behavior of about 300 compounds and deduced certain rules of fragmentation. This work resulted in several papers and in a book published by VCH Press. 61 refs.
- Research Organization:
- Indiana Univ. Foundation, Bloomington, IN (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- FG02-87ER60530
- OSTI ID:
- 7262509
- Report Number(s):
- DOE/ER/60530-3; ON: DE90007417
- Country of Publication:
- United States
- Language:
- English
Similar Records
Toxic organic compounds from energy production
Toxic organic compounds from energy production: Progress report
Related Subjects
59 BASIC BIOLOGICAL SCIENCES
METHANOGENIC BACTERIA
BIOLOGICAL PATHWAYS
TRANSFERASES
BIOCHEMICAL REACTION KINETICS
CARBON 14 COMPOUNDS
MONOCARBOXYLIC ACIDS
PROGRESS REPORT
TRACER TECHNIQUES
BACTERIA
CARBOXYLIC ACIDS
DOCUMENT TYPES
ENZYMES
ISOTOPE APPLICATIONS
KINETICS
LABELLED COMPOUNDS
MICROORGANISMS
ORGANIC ACIDS
ORGANIC COMPOUNDS
REACTION KINETICS
090800* - Biomass Fuels- Production- (1990-)
099000 - Biomass Fuels- Products & By-Products- (1990-)
550201 - Biochemistry- Tracer Techniques