Solubilities of CO and H2 in Neat and CO2-Expanded Hydroformylation Reaction Mixtures Containing 1-Octene and Nonanal up to 353.15 K and 9 MPa Xie, Z.; Snavely, W.K.; Scurto, A.M.; Subramaniam, B.; Journal of Chemical & Engineering Data 2009, 54, 1633-1642