INFRARED BAND STRENGTHS OF HFC-134A VAPOR

Infrared absorbance cross sections and integrated band strengths for H FC-134a (1-fluoro,2-trifluoroethane, CFH2CF3) vapour have been determi ned at six temperatures (203, 213, 233, 253, 273, and 294 K) for the r egion 600-1600 cm(-1) using Fourier transform infrared spectroscopy. A ir-broadened spectra of HFC-134a vapour have been recorded at 203, 253 , and 294 K using mixtures containing 5, 20, and 100 kPa dry air. Spec troscopic resolution was 0.03 cm(-1), with additional high resolution (0.003 cm(-1)) measurements of the pure vapour at 294 K.