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Deviations from pressures calculated with REFPROP5 for the mixture R1234yf (1)+ R134a (2) as a function of temperature for data measured in this work ■ (x1 = 0.3199), + (x1 = 0.6470) and Kamiaka et al.35 ○. Dashed curves (- - -) represent approximate experimental uncertainty bounds for x1 = 0.3199 and solid curves for x1 = 0.6470.
