differential scanning calorimetry


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differential scanning calorimetry

[‚dif·ə¦ren·chəl ¦skan·iŋ ‚kal·ə′rim·ə·trē]
(analytical chemistry)
A method in which a sample and a reference are individually heated (by separately controlled resistance heaters, at a predetermined rate), and enthalpic (heat-generating or -absorbing) processes are detected as differences in electrical energy supplied to either the sample or the reference material to maintain this heating rate. This difference in electrical energy, in milliwatts per second, of the heat flow into or out of the sample is due to the occurrence of a physical or chemical process.
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ABBREVIATIONS PNaA Polyfsodium acrylate) PAA Polyacrylic acid NS Nanosilver NC Nanoclay NaOH Sodium hydroxide APS ammonium persulfate KDS potassium disulfite ATR-FTIR attenuated total reflectance Fourier transform infrared XRD X-ray diffraction SEM Scanning electronic microscopy GPC A Waters gel permeation chromatograph DSC Differential scanning calorimetry PEO Polyfethylene oxide) [T.
Curing kinetics of benzoxazine-epoxy copolymer investigated by non-isothermal differential scanning calorimetry, Polymer Degradation and Stability, 95(6): 918-924.
Impact of polypropylene collection tubes on Alzheimer disease biomarkers and analysis of surface polymer composition with differential scanning calorimetry and Fourier transform infrared spectroscopy.
Chosen commercially available ethylene-vinyl acetate was analyzed by differential scanning calorimetry and dynamic mechanical analysis.
The resulting SiC ceramics were analyzed with differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and energy-dispersive X-ray analysis (EDXA) to monitor heat flow and physical, chemical, and structural changes during the formation of the ceramic.
Technologies addressed include native electrophoresis, affinity chromatography, size-exclusion chromatography, analytical ultracentrifugation, differential scanning calorimetry, light scattering, luminescence, near-infrared spectroscopy, mid-infrared and Fourier transform infrared spectroscopy, Raman spectroscopy, UV-VIS spectroscopy, optical rotatory dispersion and circular dichroism, nuclear magnetic resonance, chemical probes, hydrogen exchange, chemical modification, immunology, and limited proteolysis.
The glass transition can be measured by a variety of techniques, including differential scanning calorimetry (DSC) where a change in baseline in a plot of heat flow versus temperature denotes the [T.
The ASTM International Proficiency Testing Centre is offering a 2010 proficiency testing programme (PTP) on Thermal Analyses of Plastics (TAP) to laboratories that need a statistical quality assurance tool that will enable them to improve and maintain a high level of performance in conducting ASTM Differential Scanning Calorimetry (DSC), Oxidative-Induction Time (OIT) by Differential Scanning Calorimetry and Thermogravametric Analyses (TGA) of plastic resins.
In a case study, a differential scanning calorimetry (DSC) was used to analyze the effect of lead on SnBi alloy.
Among them Differential Scanning Calorimetry (DSC) may be considered as one of the most interesting techniques for macrokinetics analysis of cure reactions of thermosetting systems but it is a destructive method.

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