NETZSCH Thermal Analysis Products and Services - Algorithm of Kinetic Analysis

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Algorithm of Kinetic Analysis

Measurements with logarithmically-ordered heating rates.		In the case of DSC/DTA-measurement, one measurement of a melting peak of a pure metal in the same crucible as used in sample measurement is necessary.

Make a comparing print out of all measurements. Are more than one peak visible in DTG or DSC curves? Does the mass loss (TGA) or the peak area (DSC) depend on the heating rate?
		At least a double step reaction is present.
		The process under investigation contains a branched reaction path.

Make model-free analysis. Check the dependence of activation energy on degree of reaction.
		Make a print out of the results of model-free analysis.

Define the kinetic model. Use the result of model-free analysis for the definition of initial values.		Optimize the parameters visually. Start the nonlinear regression.

NETZSCH offers instruments for thermal analysis, thermal properties measurement, thermal hazard screening, and contract testing services. Our portfolio is the world's broadest, including a full range of dilatometers to measure high accuracy thermal expansion, classical DSC & TGA, high temperature DSC to 1650°C for specific heat, very high temperature STA (TGA-DSC/DTA) from sub-ambient to 2400°, thermal / evolved gas analysis with fully-integrated FTIR & MS, high resolution TMA and DMA, plus DEA - dielectric analysis for thermoset cure monitoring. We also feature leading-edge technology for thermal conductivity by guarded hot plate and heat flow meters, laser flash thermal diffusivity measurement, thermal hazard screening via adiabatic reaction calorimetry, as well as refractories testing including HMOR, CIC, and RUL. Finally, we offer advanced software packages including thermokinetics for process modeling and development.

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