Raman spectroscopic methods for component particle analysis

Details Raman spectroscopic methods for component particle analysis Raman spectroscopic methods for component particle analysis

2008-05-27

2008-05-27

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

C356S335000, C356S336000

Reexamination Certificate

active

11000778

ABSTRACT:
The invention relates to methods of assessing one or more geometric properties of a particle of a substance using a Raman spectroscopic property of the substance. The method is useful, for example, for assessing particle sizes and size distributions in mixtures containing both particles of the substance and other materials.

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Vehring et al, THe characterization of fine particles oroginating from an Uncharged aerosol: Size dependence and detection limits for Raman analysis, Abstract, Journal of Aerosol Science, Oct. 1998.
Cai, Ph.D., et al., “A Novel Approach to Determining Particle Size Distributions of Pharmaceutical Powders by Near Infrared Spectroscopy”, American Pharmaceutical Review.

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