Moisture Determination in Pharmaceuticals Using Karl Fischer Back-Titration
Moisture content is a critical quality parameter in pharmaceutical products, directly affecting stability, shelf life, and product performance.
Karl Fischer titration is widely used for moisture determination, but certain pharmaceutical compounds may react with standard reagents, making direct titration unsuitable.
👉 In these cases, Karl Fischer back-titration provides a reliable solution for accurate moisture analysis.
When Back-Titration Is Required
Back-titration is used when:
- The sample reacts with Karl Fischer reagents
- Direct titration produces unstable endpoints
- The sample is poorly soluble
- Side reactions interfere with measurement
👉 This is common in pharmaceutical compounds and APIs
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