Harry G. Brittain, PhD

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Harry G. Brittain, PhD, is the director of the Center for Pharmaceutical Physics and a member of Pharmaceutical Technology's editorial advisory board. 10 Charles Rd., Milford, NJ 08848, tel. 908.996.3509, fax 908.996.3560, hbrittain@centerpharmphysics.com

Articles

Determination by Analytical Sieving: Particle-Size Distribution, Part III

December 2nd 2002

The author discusses the use of analytical sieving to determine the size distribution of granular and course powders and describes proper sieve construction and USP General Test {786&#125.

Particle-Size Distribution II: The Problem of Sampling Powdered Solids

Harry G. Brittain, PhD

July 1st 2002

Dynamic powder-sampling methods may be the best techniques for obtaining a representative sample for determining particle-size distribution.

Pharmaceutical Physics Particle-Size Distribution, Part I: Representations of Particle Shape, Size, and Distribution

Harry G. Brittain, PhD

December 2nd 2001

Particle-size determination requires information about the average particle size, the distribution of sizes, and aspects of particle shape and morphology.