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Termogravimetrická analýza×Diferenční skenovací kalorimetrie×Ramanova dekonvoluce×
OborMateriálové vědyMateriálové vědyMateriálové vědy
RodinaProcess / pipelineProcess / pipelineProcess / pipeline
Rok vzniku1960s19641928
TvůrceWilliam W. WendlandtE. S. WatsonChandrasekhara Venkata Raman
TypCharacterization methodMeasurement methodAnalytical technique
Původní zdrojWendlandt, W. W. (1986). Thermal Analysis (3rd ed.). John Wiley & Sons. link ↗Watson, E. S., O'Neill, M. J., Justin, J., & Brenner, N. (1964). A differential scanning calorimeter for quantitative differential thermal analysis. Analytical Chemistry, 36(7), 1233-1238. DOI ↗Raman, C. V., & Krishnan, K. S. (1928). The scattering of light by molecules. Nature, 121(3048), 501-502. link ↗
Další názvyTGA, thermal gravimetry, thermogravimetryDSC, differential thermal analysis, thermal analysisRaman deconvolution, Raman peak fitting, spectral analysis
Příbuzné333
ShrnutíThermogravimetric Analysis (TGA) is a thermal characterization technique that continuously measures mass loss or gain of a material as a function of temperature (or time at constant temperature). Developed systematically by William Wendlandt and colleagues in the 1960s, TGA identifies thermal transitions (evaporation, decomposition, oxidation, reduction) and quantifies composition of polymers, pharmaceuticals, ceramics, and other materials. The derivative signal (DTG) highlights transition temperatures. When combined with gas analysis (MS, FTIR), decomposition products are identified.Differential Scanning Calorimetry (DSC) is a thermal characterization technique that measures the heat flow required to maintain a sample and an inert reference at the same temperature while both are heated or cooled. Invented by Watson, O'Neill, and colleagues in 1964, DSC directly quantifies enthalpy changes during phase transitions, crystallization, melting, and chemical reactions. It is the standard tool in materials science, chemistry, and pharmaceutical research for determining thermodynamic properties, thermal stability, and kinetics of thermal transitions.Raman Deconvolution is the mathematical decomposition of experimental Raman spectra into constituent peaks using spectral fitting algorithms. Building on Raman spectroscopy (discovered by C.V. Raman in 1928), Raman deconvolution resolves overlapping vibrational bands into individual component peaks, revealing detailed information about molecular bonds, crystal phases, strain, and defects. This quantitative analysis transforms raw Raman spectra into actionable chemical and structural insights, making it essential for materials characterization, quality control, and scientific discovery.
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ScholarGatePorovnat metody: Thermogravimetric Analysis · Differential Scanning Calorimetry · Raman Deconvolution. Získáno 2026-06-20 z https://scholargate.app/cs/compare