High pressure thermogravimetric analyzer (TGA)
DynTHERM Rubotherm GmbH

DynTHERM
Rubotherm's DynTHERM line of TGA instruments can measure under conditions where all other instruments fail: TG measurements using corrosive or toxic atmospheres, in vapour and/or under high pressure conditions. As all other Rubotherm gravimetric instruments also our thermogravimetric analysers are equipped with the unique magnetic suspension balance.
The DynTHERM analysers are applied for TG measurements between vacuum and maximum pressure of 40 bars. Depending on the pressure temperatures up to 1550°C can be realized. Measurements with corrosive gases and vapour atmospheres can be carried out without the need of balance purge gas. The reactor is closed and only the controlled reaction gas atmosphere is in contact with the sample. This cold wall reactor design ensures that the reaction atmosphere is only in contact with corrosion resistant ceramic materials in the high temperature zone of the reactor
The analysers may equipped with our sophisticated gas &vapour dosing and mixing devices (FlexiDOSE), a pressure controller and gas sampling devices for MS & GC.

Main applications of the DynTHERM LP instruments are:

- high temperature corrosion studies (e. g. metal dusting)
- coal and biomass gasification
- catalyst testing (e. g. sulphidation)
- CVD coating