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Drying and Dehydration

Matter under ambient conditions interacts with moisture and volatiles continuously. Exposure to heat and a high airflow over material will induce some form of drying. A material’s ability to resist rapid transitions between wet/hydrated states can be a good measure of stability.

Removal of volatiles from the surface of a solid can have a significant effect on the surface area by collapsing fragile crystals, altering surface energy, and changing the hydrated state of a solid. The degree of wetting and interaction with moisture can significantly change a material’s function and performance, therefore, monitoring its wettability/dry-ability is ever more necessary.

 

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Process Optimization Areas

Moisture Removal Profiling

Quantify moisture loss during drying to understand dehydration pathways and endpoints. High-resolution sorption analysis enables precise control of residual moisture levels for improved product consistency.

 

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Hydrate Formation & Loss

Monitor transitions between hydrated and anhydrous forms under controlled humidity conditions. Identifying critical humidity thresholds supports optimization of drying processes and prevention of unwanted phase changes.

 

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Residual Moisture & Performance

Determine the impact of remaining moisture on material performance. Residual water can influence stability, dissolution, and shelf-life, making accurate measurement critical for quality control.

 

Process & Formulation Optimisation

Correlate drying conditions to final material properties and performance. Controlled moisture analysis supports optimization of both process parameters and formulation design for robust, scalable production.

 

Surface Property Changes

Evaluate how drying alters surface energy, wettability, and particle interactions. Changes at the surface level can significantly affect downstream processing, including blending and compaction.

 

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