You are here:
THE HEAT CAPACITY OF FLUORINATED PROPANE AND BUTANE DERIVATIVES BY DIFFERENTIAL SCANNING CALORIMETRY
Citation:
Hwang, S. H., D. D. DesMarteau, A. L. Beyerlein, N D. Smith*, AND P. Joyner. THE HEAT CAPACITY OF FLUORINATED PROPANE AND BUTANE DERIVATIVES BY DIFFERENTIAL SCANNING CALORIMETRY. Journal of Thermal Analysis and Calorimetry. Springer Science and Business Media B.V;Formerly Kluwer Academic Publishers B.V., , Germany, 38(11):2515-2528, (1992).
Impact/Purpose:
Published Journal Article
Description:
The paper gives results of the measurement (to 3% accuracy) of the constant-pressure liquid-phase heat capacities of 21 hydrogen-containing fluorinated propane and butane derivatives and one fluorinated ether (CF3OCF2H) with boiling points ranging from -34.6 to 76.7 C, using differential scanning calorimetry (DSC) at 40 C. The measurements are needed to help identify alternative refrigerants and blowing agents that do not deplete the stratospheric ozone layer. The DSC method has two significant advantages for this purpose: (1) only small samples (< 100 mg) are required and (2) the instruments are available in many laboratories and can be used for heat capacity measurements of liquids with subambient boiling points without modification or special accessories.
URLs/Downloads:
Journal URL
The Heat Capacity of Fluorinated Propane and Butane Derivatives by Differential Scanning Calorimetry (PDF, NA pp, 2836 KB, about PDF)