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Termogravimetrijska analiza×BET površina×Diferencijalna pretražna kalorimetrija×
PodručjeZnanost o materijalimaZnanost o materijalimaZnanost o materijalima
ObiteljProcess / pipelineProcess / pipelineProcess / pipeline
Godina nastanka1960s19381964
TvoracWilliam W. WendlandtBrunauer, Emmett, TellerE. S. Watson
VrstaCharacterization methodMeasurement methodMeasurement method
Temeljni izvorWendlandt, W. W. (1986). Thermal Analysis (3rd ed.). John Wiley & Sons. link ↗Brunauer, S., Emmett, P. H., & Teller, E. (1938). Adsorption of gases in multimolecular layers. Journal of the American Chemical Society, 60(2), 309-319. DOI ↗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 ↗
Drugi naziviTGA, thermal gravimetry, thermogravimetryBET analysis, nitrogen adsorption, surface area measurementDSC, differential thermal analysis, thermal analysis
Srodne333
SažetakThermogravimetric 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.Brunauer-Emmett-Teller (BET) Surface Area Analysis is a technique for measuring the specific surface area of solids by analyzing their nitrogen adsorption isotherms. Developed by Brunauer, Emmett, and Teller in 1938, BET theory extends monolayer adsorption (Langmuir) to multilayer adsorption, enabling quantification of surface area of porous and powdered materials. It is the industry standard for characterizing catalysts, adsorbents, pharmaceuticals, and porous materials, providing critical data for performance prediction and quality control.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.
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ScholarGateUsporedite metode: Thermogravimetric Analysis · BET Surface Area · Differential Scanning Calorimetry. Preuzeto 2026-06-20 s https://scholargate.app/hr/compare