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Submicron-particle absorption spectroscopy by photothermal modulation of MIE scattered light

Conference ·
OSTI ID:6462806
;
In situ particle specific absorption spectroscopy is performed using a CO/sub 2/ laser to photothermally modulate visible MIE scattered light. This scheme is appropriate for ambient sulfate particulate analysis.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
DOE Contract Number:
AC02-76CH00016
OSTI ID:
6462806
Report Number(s):
BNL-28979; CONF-810613-7; ON: DE81025096
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION SPECTROSCOPY
AEROSOLS
AIR POLLUTION
CARBON DIOXIDE LASERS
COLLOIDS
DISPERSIONS
ELECTROMAGNETIC RADIATION
GAS LASERS
HELIUM-NEON LASERS
LASERS
MONITORING
OXYGEN COMPOUNDS
PARTICLE SIZE
POLLUTION
RADIATIONS
SCATTERING
SIZE
SOLS
SPECTROSCOPY
SULFATES
SULFUR COMPOUNDS
VISIBLE RADIATION