کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4907216 | 1426197 | 2018 | 5 صفحه PDF | دانلود رایگان |
- The commercial sample of l-threonine was purified.
- Heat capacities, energy of combustion at 298.15Â K were measured.
- The main thermodynamics functions in region from 5 to 370Â K were calculated.
- The thermodynamics functions of formation at 298.15Â K were obtained.
Standard molar enthalpy of formation in the solid state at TÂ =Â 298.15Â K of l-threonine was derived from energy of combustion determined by static bomb combustion calorimetry. Heat capacity of l-threonine was measured by vacuum adiabatic calorimetry over the temperature range (7.37-371.97)Â K. Heat capacities and main thermodynamic functions in solid state were tabulated as a function of temperature from 5Â K to 370Â K. The entropy of formation and Gibbs energy of formation at TÂ =Â 298.15Â K of l-threonine in the condensed state were computed on the basis of the experimental results obtained. All results are compared with experimental values reported in the literature.
Journal: The Journal of Chemical Thermodynamics - Volume 116, January 2018, Pages 248-252