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The in-situ infrared spectroscopy-differential mass spectrometry system developed by Fermion Instruments is equipped with a multifunctional in-situ reaction cell, which can simultaneously realize vacuum, normal pressure, high pressure adsorption and desorption and in-situ high and low temperature reaction experiments. It uses Fourier transform infrared spectrometer and differential mass spectrometry to perform in-situ analysis of catalysts or adsorbents under various conditions. It can analyze the reaction between adsorbed molecules and solid surfaces in situ, and provide a lot of information about the surface and interface structure; it can determine the changes of each component of the gas phase after passing through the solid adsorption material, which is convenient for tracking and identifying the reaction intermediates and intermediate products.
| ● The multifunctional system has a high degree of integration, a compact structure, and a small footprint; | ● Multifunctional in-situ reaction pool, which can achieve high vacuum, normal pressure, high pressure, low temperature, high temperature and other conditions |
| ● Adsorption infrared experiment under high vacuum conditions. For example, using NH3, CO, CO2 and other adsorbents as molecular probes, it can realize the acidity and alkalinity determination of catalysts, adsorption kinetics research, surface reaction in-situ analysis and other experiments; | ● TPD experiment under high vacuum conditions. Achieve fast linear temperature rise and fall function of 1K-10K/s in the wide temperature range of 120K-1000K; |
| ● Vacuum process gas analysis, suitable for monitoring and analyzing the gas composition and changes in intermediate products, residual gases and vacuum process; | ● The gas path switching panel can control the gas mode entering the infrared reaction pool, which is convenient for analyzing various complex situations such as thermal desorption of samples in the reaction pool, saturated adsorption of probe molecules and pulse adsorption of probe molecules |
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