Heterogeneous catalyst characterization can include metal surface area and activity determination, temperature-programmed oxidation, reduction, and desorption, and specific surface area determination.

All these measurements can be performed with Hiden Isochema instruments. The IGA-003, a gravimetric sorption analyzer for gas mixtures, allows a wide range of measurement types to be performed in a flow of up to four gases, at pressures up to 20 bar, over a wide temperature range. A coupled dynamic sampling mass spectrometer (DSMS) from Hiden Analytical allows simultaneous evolved gas analysis (EGA).

The versatile nature of the IGA series allows different measurement types to be performed on a sample in-situ. For example, surface area determination can be followed by a temperature-programmed study. In addition, a range of vacuum and thermal pretreatments can be performed.

Further versatility can be provided by adding dynamic vapor, or mixed vapor capability to the IGA-003. Single component gas and vapor studies can also be performed using the IGA-002. The XEMIS sorption microbalance can also be used in the same way. A range of catalyst characterization measurements is also offered by the Hiden Analytical CATLAB.

Related Instruments

High Accuracy Gravimetric Analyzer, with Combined Pressure and Flow Control for Precise Characterization of Thermodynamics and Kinetics

XEMIS Balance

Advanced gas and vapor sorption analyzer, with next generation microbalance design for high pressure and corrosive capability

Advanced Gravimetric Sorption Analyzer, for High Resolution Gas and Vapor Sorption Combined with High Pressure TGA

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