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Title: Enthalpy of sublimation/vaporization of trans-cyclohexyl-1,4-diamine and cis-cyclohexyl-1,2-diamine
Authors: Tomé, Luciana I. N. 
Rosado, Mário T. S. 
Nunes, Sandra C. C. 
Maria, Teresa M. R. 
Canotilho, João 
Eusébio, M. Ermelinda S. 
Keywords: trans-Cyclohexyl-1,4-diamine; cis-Cyclohexyl-1,2-diamine; Sublimation/vaporization; Cyclohexyldiamines
Issue Date: 2007
Citation: The Journal of Chemical Thermodynamics. 39:10 (2007) 1354-1356
Abstract: The molar enthalpy of sublimation, , of trans-cyclohexyl-1,4-diamine and the molar enthalpy of vaporization, , of cis-cyclohexyl-1,2-diamine, at the temperature 298.15 K, were determined by calorimetry. was obtained for the trans-isomer and for the cis form. The molar enthalpy of fusion of the first compound, at T = 342.1 K, was determined by differential scanning calorimetry. The molar enthalpy of vaporization of the 1,4-isomer was estimated by combining the value of the enthalpy of sublimation with that of the enthalpy of fusion.
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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