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S2 Open Access 2002
Particle Size Analysis

G. Gee, D. Or

Particle size analysis is an extremely broad area that covers a wide range of applications and techniques. In past reviews (Al,A2), we have attempted to include as many major techniques as possible that could be of interest to analytical chemists and others involved in particle size analysis. In this paper, we have been more selective and have deleted sections on microscopy/image analysis and aerosol measurement devices, which are themselves highly specialized areas and include ancillary techniques that are outside the scope of this review. Methodologies that are included are listed in Table I. We continue to see a steady rise in the introduction and use of laser-light scattering instrumentation based on photon correlation spectroscopy, Fraunhofer diffraction, and classical scattering techniques. Of the chromatographic techniques, the number of papers in field-flow fractionation has continued to grow. Literature searches were based on Chemical Abstracts 1986, 105(23), through 1988, 109(24), for relevant papers dealing with new developments and advances in particle size analysis mainly in English, French, German, and Russian. Except for hydrodynamic chromatography and field-flow fractionation, papers dealing with macromolecules in solution and micelles were not covered. Because of the enormous breadth of topics, in terms of sample type, technique, and particle size range, different search strategies were used to include as many pertinent articles as possible. To this end, we gratefully acknowledge Ruth Curtiss, Hercules Inc., and Neil Feltham, Du Pont Co., for their assistance and advice regarding search routines.

3747 sitasi en Environmental Science
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