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3. Cost-Effectiveness Although the initial cost of metal roofing can be higher than traditional shingles, its longevity and low maintenance requirements often lead to significant savings over the lifespan of the roof. A well-maintained metal roof can last 40 years or more, making it a wise long-term investment.
In the case of finished pharmaceutical products, stability testing encompasses not just the API but also the entire formulation, including excipients, which are the inactive substances used to formulate the drug. The interactions between the API and excipients can affect the overall stability of the product. For example, moisture-sensitive APIs may require specific excipients that can provide a protective barrier against moisture uptake.
stability testing of active pharmaceutical ingredients and finished pharmaceutical products
