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Publication Date: 05/2003
Pages: 3
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Dynamic image analysis: Improving measurement of non-spherical particles

Thanks to advances in lasers, computers, automation, and other modern technologies, particle characterization methods are evolving rapidly. This article discusses one recently developed method: dynamic image analysis. Because it characterizes particle shape as well as size, the method can provide advantages over laser diffraction for sizing non-spherical particles.

While laser diffraction has become the most popular method for sizing particles a few millimeters in diameter or smaller, its sizing results for non-spherical particles contain unpredictable errors. A particle analysis method called dynamic image analysis provides advantages for sizing non-spherical particles by characterizing both particle size and shape.

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