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PSTA-Principle |
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The kinetic parameters of solid-state reactions are not intrinsic properties of an investigated compound, but they can change depending on the thermoanalytical conditions applied (PSTA-principle: Parametric Sensitivity of Thermal Analysis). One can demonstrate the PSTA-principle for changes in sample mass, gas concentration and flow rate. Combined with model-fitting techniques, the fundamental PSTA-principle is a prerequisite for a reliable solid state kinetic analysis. For more information see: B. Roduit et al., Influence of experimental conditions on the kinetic parameters of gas-solid reactions, Parametric Sensitivity of Thermal Analysis, Thermochimica Acta 282/283 (1996) 101-119. |
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