TOPEM® - the advanced multi-frequency TMDSC technique

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Temperature modulated DSC (TMDSC) methods allow both temperature-dependent and time-dependent processes to be separated. The basic idea of TOPEM^® is to overlay the isothermal or ramped temperature with a time series of stochastic (random) temperature pulses of different durations.

TOPEM® - the advanced multi-frequency TMDSC technique

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Description

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the TOPEM^® datasheet

Features and Benefits

One measurement – simultaneous measurement of sample proper-ties as a function of time and temperature over a large frequency range.
c_p determination from the pulse response – very accurate determination of the quasi-static heat capacity.
Simultaneous high sensitivity and high resolution – allows the measurement of low energy transitions and/or close-lying temperature-dependent effects.
Separation of reversing and non-reversing processes – heat capacities can be determined with unrivaled quality even if the effects overlap.
Simplifies interpretation – frequency-dependent effects (e.g. glass transitions) can be very easily distinguished from frequency-independent effects (e.g. loss of moisture).
Extended PEM technique – eliminates instrumental influences and extends the measurable frequency range.
Automatic cp adjustment – provides accurate frequency-dependent heat capacity values based on one single measurement.