WHAT IS WRONG WITH LASER DIFFRACTION

1 WHAT IS WRONG WITH LASER DIFFRACTION? A Critical Review of Current Laser Diffraction Methods for Particle Size Analysis Richard N. Kelly1 and Frank M. Etzler2 1 Johnson & Johnson PRD, Spring House, Pennsylvania 2 Boehringer-Ingelheim Pharmaceuticals, Danbury, Connecticut A particle-sizing method based on laser diffraction suffers from several major pitfalls, namely:

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