periodic verification

What Techniques are Used in Periodic Verification?

Several analytical techniques are employed in periodic verification, including:
- X-ray diffraction (XRD) to check for structural changes.
- Spectroscopy methods like FTIR, UV-Vis, and NMR for chemical composition analysis.
- Temperature-programmed desorption (TPD) to assess surface properties.
- Gas chromatography (GC) to analyze reaction products.
These techniques provide comprehensive data on the catalyst's physical and chemical state, helping in timely interventions if any deviations are detected.

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