A detailed explanation of the specific methods and precautions for steam treatment, which is considered effective for the removal of l-peaks!
Characterization of solid acid catalysts represented by zeolites is frequently conducted using the measurement of acidity through temperature-programmed desorption of ammonia. In this method, it is often observed that the spectrum exhibits two peaks, l (low temperature) and h (high temperature). The l-peak is attributed to ammonia that is further hydrogen-bonded to the NH4+ cation at the acid site and is not considered to indicate acidity. This document provides a detailed description of the specific methods and precautions for steam treatment, which is said to be effective in removing the l-peak. We encourage you to read it. [Contents] ■ Overview ■ Experiment ■ Summary *For more details, please refer to the PDF document or feel free to contact us.
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