XEMIS -100
XEMIS-100
NEXT GENERATION MIXED GAS AND VAPOR GRAVIMETRIC SORPTION ANALYZER
ADVANCED GAS AND VAPOR SORPTION ANALYZER COMBINED WITH HIGH PRESSURE TGA
INTRODUCING XEMIS
The XEMIS series are high accuracy gravimetric sorption analyzers operating to 200 bar. Changes in sample mass are measured as a function of applied temperature and pressure to determine isotherms, isobars and sorption kinetics. Designed for operation with a full range of gas and vapor species including corrosives and flammables, the XEMIS series features active pressure regulation from 10-2 mbar: a controllable pressure range covering 7 orders of magnitude.
Description
BENEFITS OF XEMIS
BENEFITS OF XEMIS
- Widest controllable pressure range of any gravimetric sorption analyzer: active pressure regulation over 7 orders of magnitude
- Unique Exosensing Technology for operation with aggressive species
- Optimized performance for sample sizes from 1 mg to 5 g
KEY FEATURES
KEY FEATURES
- Isotherm, isobar and high pressure TGA measurements in a single automated analyzer
- Compatible with flammable, corrosive and toxic gases and vapors
- Symmetric geometry, with ultra-low total system buoyancy for high accuracy measurements at high pressures
- Measurements at temperatures from 77 K to 500 °C
- Fast and accurate analysis of equilibria and kinetics using the IGA method
- Full automation and advanced programmability
THE IGA METHOD
THE IGA METHOD
Hiden Isochema’s unique IGA method is applied independently to every step in a gravimetric sorption measurement. At each step, the pressure and temperature are actively regulated, with resultant changes in sample weight continuously recorded.
The kinetic weight data is analyzed in real-time, and the trend toward equilibrium is predicted and displayed on screen. Equilibration criteria are applied to objectively determine the period allowed before the measurement moves on to the next pressure or temperature value. Each equilibrium point is plotted on an isotherm or isobar, and the full raw data is also recorded.
The IGA method therefore allows consistent analysis with optimum measurement accuracy and faster overall process times.
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