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The various infrared low-temperature reaction cells developed by Fermion Instruments can meet various experimental requirements such as vacuum, normal pressure, high pressure adsorption and desorption, and in-situ high and low temperature reactions. Fourier transform infrared spectrometer and differential mass spectrometry are used to perform in-situ analysis of catalysts or adsorbents under various conditions. The reaction between adsorbed molecules and solid surfaces can be analyzed in situ, providing a lot of information about the surface and interface structure; the changes in the components of the gas phase after passing through the solid adsorption material can be determined, which is convenient for tracking and identifying the intermediate states and intermediate products of the reaction.
| ● Multiple gas inlets, in-situ reaction possible | ● Temperature 100K~800K | ● Ultra-high vacuum compatible | ● Compact structure, integrated |
| ● PID precise temperature control, linear temperature rise | ● Vacuum optical path, spectral characteristics will not be interfered by water peaks | ● Differential mass spectrometry, TPD in-situ analysis |
| ● Adsorption infrared experiment under high vacuum conditions. If NH3, CO, CO2 and other adsorbents are used as molecular probes, it can be used to determine the acidity and alkalinity of catalysts, study adsorption kinetics, and analyze surface reactions in-situ | ● 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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