• Publication Date: 12/01/2011
  • Author(s):
    Lavarreda, Christian A. Roberts, Daryl L.
  • Organization(s):
    MSP Corporation
  • Article Type: Technical Articles
  • Subjects: Instruments, Particle Characterization, Testing, Validation, and Regulatory Compliance
Being confident about quantifying the imperfect

Cascade impactors are the backbone of quality control for inhalable drug products. Consequently, ensuring that used impactors are suitable for continued use is a basic need for developers and manufacturers of inhalable drug products. This article describes ways to approach these issues and suggests practical methods for inspecting used impactors in a manner that accounts for their various non-ideal conditions.

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