Knowledge Center

Water Activity Testing: Advancing Moisture Determination of Pharmaceutical Products

In this webinar, Dr. Paula explores how water activity testing provides a science-based approach to moisture determination in pharmaceutical products. Unlike traditional methods that only measure total water content, water activity focuses on the unbound or ‘free’ fraction of water, which directly correlates to moisture-sensitive product attributes
Broadcast in 2025

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Key learning objectives

  • Explore the future of moisture determination for lyophilized products.
  • Understand Water Activity principles and its advantages over Karl Fischer total water determination in the context of USP <922>. 
  • Learn about non-destructive and rapid headspace moisture analysis through scientific research and industry case studies.