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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 7 — Jul. 1, 1968
  • pp: 1351–1358

Theoretical and Experimental Aspects of the Production of Aerosols for Use in Atomic Absorption Spectroscopy

J. Stupar and J. B. Dawson  »View Author Affiliations


Applied Optics, Vol. 7, Issue 7, pp. 1351-1358 (1968)
http://dx.doi.org/10.1364/AO.7.001351


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Abstract

The role of the aerosol in atomic absorption spectroscopy is considered and theories of the production of aerosols by pneumatic and ultrasonic devices are outlined. The predicted droplet size is related to sensitivity and interference by Al and Si in the estimation of Mg. Experiments using pneumatic and ultrasonic (70-kHz and 115-kHz) nebulizers at sample flow rates from 0.05 ml/min to 3.5 ml/min and with spray chambers of 100-cm3 to 500-cm3 capacity are reported. The results obtained indicate that ultrasonic nebulizers must be operated at high frequency (>500 kHz) and high power to generate fine aerosols (~5-μ diam) at sample flow rates of 1–5 ml/min if they are to be an improvement in sensitivity and interference on the pneumatic nebulizer.

© 1968 Optical Society of America

History
Original Manuscript: January 29, 1968
Published: July 1, 1968

Citation
J. Stupar and J. B. Dawson, "Theoretical and Experimental Aspects of the Production of Aerosols for Use in Atomic Absorption Spectroscopy," Appl. Opt. 7, 1351-1358 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-7-1351


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