William E. Acree, Jr. 1 2.50e+01 Ambient temperature 3 2.50 &deg;C -1 1.30e-01 Mole fraction - Liquid (1) 3 1.30 1 -1 8.70e-01 Mole fraction - Liquid (2) 3 8.70 1 1 1 Solubility, Solubility data series Constant temperature bath and a precision thermometer.<br>Mixtures of known concentrations sealed in glass ampoules and placed in constant temperature to equilibrate. Samples were rotated while bath temperature slowly increased. Solubility determined by visual noting the temperature at which the last trace of solid solute disappeared. Solubilities at 298 K interpolated from experimental values using ln $x_{1}$ versus 1/$T$ graph. The International Union of Pure and Applied Chemistry Chang, W.; Ph.D Dissertation, North Dakota State University, ND, 1969. dissertation 91-20-3 1 C10H8 InChI=1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H UFWIBTONFRDIAS-UHFFFAOYSA-N 128.171 Naphthalene Purity, source and purification procedures not specified. 142-82-5 2 C7H16 InChI=1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3 IMNFDUFMRHMDMM-UHFFFAOYSA-N 100.202 Heptane 99%, Phillips Petroleum Company, Bartlesville, Oklahoma, USA, was used as received. Naphthalene with n-Heptane