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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 46, Iss. 1 — Jan. 1, 1992
  • pp: 159–162

Analysis of Aerosol Particles by Resonance Raman Scattering Technique

K. H. Fung and I. N. Tang

Applied Spectroscopy, Vol. 46, Issue 1, pp. 159-162 (1992)


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Abstract

An analytical technique for aerosol samples which utilizes the resonance Raman effect is described. The aerosol particles were generated at 50 kHz by a vibrating orifice. The nominal particle size was 45 μm in diameter. The visible lines (4579, 4765, 4880, and 5145 Å) of a continuous argon-ion laser were used as the excitation source. Within the coverage of the laser wavelengths, effects of pre-resonance, resonance, and post-resonance Raman scattering were studied. Under the resonance condition, the enhancement of p-nitrosodimethylaniline is 5.5 × 104 when compared to that of nitrate ions. The corresponding concentration of detection limit is 10−6 molar.

Citation
K. H. Fung and I. N. Tang, "Analysis of Aerosol Particles by Resonance Raman Scattering Technique," Appl. Spectrosc. 46, 159-162 (1992)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-46-1-159


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