Appraisal of the Laser Diffraction Particle-Sizing Technique
March 2nd 2005Some published articles purport to demonstrate the difficulties and problems of the laser diffraction technique without mentioning that these apparent problems are inherent in all particle-sizing techniques. This article discusses some of the advantages of using laser diffraction for particle sizing-including repeatability, ease of verification, and speed of measurement-and why it has become the preferred technique in a range of industries.
IPEC-Americas? Updated Significant Change Guide for Bulk Pharmaceutical Excipients
March 2nd 2005IPEC-Americas has just completed a major update to its significant change guideline to address current issues in the manufacture of excipient ingredients and to assist manufacturers in developing an impurity profile.