Characterization of inorganic salt particles by Raman spectroscopy

Tang, I. N.; Fung, K. H.

doi:10.1016/0021-8502(89)90106-7

Characterization of inorganic salt particles by Raman spectroscopy

Conference · Sun Mar 30 23:00:00 EST 2003 · Journal of Aerosol Science

DOI:https://doi.org/10.1016/0021-8502(89)90106-7· OSTI ID:5564646

Tang, I. N. ^[1]; Fung, K. H. ^[1]

Brookhaven National Laboratory (BNL), Upton, NY (United States)

Raman spectra have been obtained for single aerosol particles levitated in an electrodynamic cell. The particles are composed of common inorganic salts such as sulfates, nitrates, phosphates and chromates in either pure or mixed form. The Raman vibrational frequencies observed for these compounds present in aerosol particles are found to be in good agreement with those of bulk samples. Moreover, the high resolution (±1 cm^-1) developed in this work has made it possible to identify hydrated or mixed salts, which may be present in ambient aerosols under a variety of atmospheric conditions. It is shown that the Raman technique is a unique and non-destructive method for physical and chemical characterization of aerosol particles.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-76CH00016

OSTI ID:: 5564646

Report Number(s):: BNL--46378; CONF-910742--1; ON: DE91015836

Journal Information:: Journal of Aerosol Science, Journal Name: Journal of Aerosol Science Journal Issue: 5 Vol. 20; ISSN 0021-8502

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

References (20)

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
54 ENVIRONMENTAL SCIENCES
540110
540120 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
ABSORPTION
AEROSOLS
ATMOSPHERIC CHEMISTRY
CHEMICAL COMPOSITION
CHEMISTRY
COLLOIDS
DISPERSIONS
LASER SPECTROSCOPY
LEVITATION
PARTICLES
PARTICULATES
RAMAN SPECTRA
RESONANCE ABSORPTION
SOLS
SPECTRA
SPECTROSCOPY

Characterization of inorganic salt particles by Raman spectroscopy

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References (20)

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