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    Electronic Resource
    Electronic Resource
    Thermodynamic study of anthrone, coumarin and phenazine (1992)
    Springer
    Journal of thermal analysis and calorimetry 38 (1992), S. 803-809 
    Details
    ISSN: 1572-8943
    Keywords: anthrone ; combustion calorimetry ; coumarin ; phenazine ; sublimation calorimetry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Mittels Verbrennungskalorimetrie kleiner Substanzmengen, Sublima-tionskalorimetrie, Wärmekapazitätsmessungen und DTA wurden Anthron, Kumarin und Phenazin untersucht. Die bei 298.15 K erhaltenen thermodynamischen Größen gestatten die Bestimmung einiger Energiewerte bezüglich der Molekülstruktur, die uns in die Lage versetzen, eine vergleichende Studie der zwei Isomere Chromon und Kumarin zu erstellen und die Enthalpiewerte für einige intramolekulare Bindungen in den untersuchten Verbindungen zu bestimmen.
    Notes: Abstract Anthrone, coumarin and phenazine were studied by combustion calorimetry of small amounts of substance, sublimation calorimetry, neat capacity measurements and differential thermal analysis. The thermodynamic quantities derived at 298.15 K allowed us to determine some energy values related to molecular structure which enabled us to realize a comparative study for the two isomers: chromone and coumarin, and determine an enthalpy value for some intramolecular chemical bonds in the molecules studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01979412
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  • 2
    Electronic Resource
    Electronic Resource
    New reference materials for the calibration (temperature and energy) of differential thermal analysers and scanning calorimeters (1992)
    Springer
    Journal of thermal analysis and calorimetry 38 (1992), S. 855-863 
    Details
    ISSN: 1572-8943
    Keywords: calibration materials ; DSC ; DTA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Als neue Referenzsubstanzen für Temperatur- und Energiekalibrierung von DTA- und DSC-Geräten wurden im Temperaturbereich 300–600 K einige organische Verbindungen, wie z.B. Phenanthren, Benzanilid, Anissäure, Triphenylen, 2-Chloranthrachinon, Hexachlorbenzol, Karbazol, 4-Jodbenzoesäure, Perylen und Anthrachinon untersucht.
    Notes: Abstract Several organic compounds like phenanthrene, benzanilide, anisic acid, triphenylene, 2-chloroanthraquinone, hexachlorobenzene, carbazole, 4-iodobenzoic acid, perylene, anthraquinone, as new reference materials for temperature and energy calibration of DTA and DSC apparatuses were studied in the range 300—600 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01979417
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    Paper (German National Licenses)
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