Thermal analysis methods FHI（热分析方法FHI）.pdf

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2017-09-03 发布于浙江
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Thermal analysis methods FHI（热分析方法FHI）.pdf

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Thermal analysis methods FHI（热分析方法FHI）

Modern Methods in Heterogeneous Catalysis Research Thermal analysis methods Rolf Jentoft 03.11.06 Outline • Definition and overview • Thermal Gravimetric analysis • Evolved gas analysis (calibration) • Differential Thermal Analysis/DSC • Kinetics introduction • Data analysis examples Definition Thermal analysis: the measurement of some physical parameter of a system as a function of temperature. Usually measured as a dynamic function of temperature. Types of thermal analysis –– TG (Thermogravimetric) analysis: weightTG (Thermogravimetric) analysis: weight –– DTA (Differential Thermal Analysis): temperatureDTA (Differential Thermal Analysis): temperature –– DSC (Differential ScanningDSC (Differential Scanning Calorimetry): temperatureCalorimetry): temperature –– DIL (Dilatometry): lengthDIL (Dilatometry): length –– TMA (Thermo Mechanical Analysis): length (with strain)TMA (Thermo Mechanical Analysis): length (with strain) –– DMA (Dynamic-Mechanical Analysis): length (dynamic)DMA (Dynamic-Mechanical Analysis): length (dynamic) –– DEA (DielectricDEA (Dielectric Analysis): conductivityAnalysis): conductivity –– ThermoThermo Microscopy: imageMicroscopy: image –– ...Combined methods Thermogravimetric Developed by Honda in 1915 Oven Oven heated at controlled rate Sample Temperature and Weight are recorded Balance Types of thermal analysis – TG (Thermogravimetric) analysis: weight – DTA (Differential Thermal Analysis): temperature – DSC (Differential Scanning Calorimetry): temperature – DIL (Dilatometry): length – TMA (Thermo Mechanical Analysis):