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Organometallic geochemistry. Isolation and identification of organoarsenic and inorganic arsenic compounds from Green River Formation oil shale

Conference ·
OSTI ID:6181613

The molecular characterization of methylarsonic acid, phenylarsonic acid and the inorganic anion, arsenate, found in a methanol extract of a Green River Formation oil-shale sample was accomplished by HPLC-GFAA analysis. In addition, derivatization of the acids, HPLC purified, by reaction with 3-methylcatechol to form the five coordinate organoarsenic catecholates as well as reaction, via trimethylsilylation, of the ammonium salt of arsenate to form tristrimethylsilylarsenate was followed by GC-EIMS analysis to provide unequivocal evidence for the presence of these organometallic and inorganic compounds of arsenic as natural products in oil shale.

Research Organization:
Lawrence Berkeley Lab., CA (USA)
DOE Contract Number:
AC03-76SF00098
OSTI ID:
6181613
Report Number(s):
LBL-15937; CONF-830364-1; ON: DE83012956
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
040500* -- Oil Shales & Tar Sands-- Properties & Composition
ABSORPTION SPECTROSCOPY
ALCOHOLS
ARSENATES
ARSENIC COMPOUNDS
ARSONIC ACIDS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHROMATOGRAPHY
ENERGY SOURCES
EXTRACTION
FOSSIL FUELS
FUELS
GREEN RIVER FORMATION
HYDROXY COMPOUNDS
MATERIALS
METHANOL
OIL SHALES
ORGANIC ACIDS
ORGANIC ARSENIC COMPOUNDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SPECTROSCOPY