Thermal Analytical Measurements Under High Pressure

The new High-Pressure DSC 1 cell is based on the successful Thermal Analysis Excellence DSC 1 technology and guarantees outstanding performance thanks to its FRS5 and HSS7 sensors. An external pressure and flow controller (PC10) is available as an option.

Increased pressure influences all physical changes and chemical reactions in which a change in volume occurs. For material testing, process development or quality control there is often no alternative to DSC measurements under pressure. Measurements performed under pressure expand the possibilities of thermal analysis.

Shorter analysis times – higher pressures and temperatures accelerate chemical reactions and shorten analysis times, for example the oxidation stability of oils.
Better interpretation – effects can be better separated by suppressing vaporization, for example the curing reaction with phenolic resins.
Measurements under process conditions – simulation of practical reaction environments, for example the enthalpy determination of hydrogen adsorption.
Investigations under special atmospheres – oxidative, oxygen-free conditions or measurements with toxic or combustible gases are possible, for example the influence of CO₂ on the glass transition temperature.

The High-Pressure DSC 1 allows you to measure samples under precisely defined atmospheres at pressures of up to 10 MPa as a function of temperature or time. Combined with the Pressure Controller 10 (PC10), the pressure and the gas flow can be kept constant during an experiment, while the system is heating up or cooling down. This allows accurate pressure control in static and dynamically programmed atmospheres.

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