Aerodynamic Particle Sizing versus Light Scattering Intensity Measurement as Methods for Real-Time Particle Sizing Coupled with Time-of-Flight Mass Spectrometry

Anal. Chem., 68 (1), 230 -234, 1996. 10.1021/ac950396a

Aerodynamic Particle Sizing versus Light Scattering Intensity Measurement as Methods for Real-Time Particle Sizing Coupled with Time-of-Flight Mass Spectrometry

Kimberly Salt, Christopher A. Noble, and Kimberly A. Prather*

Department of Chemistry, University of California, Riverside, California 92521

Received for review April 24, 1995. Accepted September 12, 1995.

Abstract:

Measurement of scattered light intensity and aerodynamic particle sizing are two methods that have recently been coupled with time-of-flight mass spectrometry for real-time determination of aerosol particle size and composition. An aerosol analysis technique recently developed in our laboratory, aerosol time-of-flight mass spectrometry, offers a unique experimental platform to evaluate both of these sizing techniques. This paper presents a comparison of results obtained with these two methods.

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