“…In previous investigations of this type (9,10,15,16) the Benedict-Webb-Rubin equation (3,4) P = RTd + (BoRT-A0 -C0/T2)d2 + (bRT-a)d3 + a a d6 + cd3/T2[(l + d2) exp. (-7 d2)] (8) was used to predict the volumetric behavior of the pure components and their mixtures.…”