Experimental determination of the enthalpy of formation of dibenzo- p-dioxinстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The standard molar enthalpy of combustion of dibenzo-p-dioxin (DD) was measured
at T = 298.15 K by static-bomb combustion calorimetry: ΔcH0m(cr) = −(5723.8 ±
1.4) kJ · mol−1. The standard molar enthalpy of sublimation of this compound was
measured by microcalorimetry: ΔgcrH0m = (91.45 ± 0.76) kJ · mol−1. These values were
used to derive the standard molar enthalpies of formation of DD in the crystalline and
gaseous states: ΔfH0m(cr) = −(141.6 ± 2.1) kJ · mol−1 and ΔfHom(g) = −(50.1 ±
2.2) kJ · mol−1. The specially obtained sample of DD of high purity {mole fraction
x = (0.9999±0.0001)} was used in all measurements.