From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Table of physical characteristics for the pure compounds Isopropyl Ether, Pure Iso-Octane, and Benzene.
| Identifier | ExFiles\Box 150\1\ scan0214 | |
| Date | 30th January 1936 guessed | |
| Table I Physical Characteristics of Pure Compounds Isopropyl Ether Pure Iso-Octane Benzene _______________ _______________ _______ Boiling Point, ºF. {Mr Friese} at 760 m.m. of Hg. pressure 154 (153-158) 211 175 Density at 68ºF (20ºC/4ºC) 0.725 0.691 0.878 Refractive Index at 68ºF 1.3680 1.3921 1.5014 Freezing Point, ºF -125 -162 42 Viscosity, Centipoise at 68ºF 0.322 (68ºF) 0.543 (65ºF) 0.647 (68ºF) Latent Heat of Vaporization, B.T.U./lb. 123 130 170 High Value of Heat of Combustion, B.T.U./lb. 16,900 20,580 17,650 Low Value of Heat of Combustion, B.T.U./lb. 15,600 19,200 17,000 Low Value of Heat of Combustion plus Latent Heat of Vaporization, B.T.U./gallon 95,100 111,400 125,700 Reid Vapor Pressure, lbs./sq.in. at 100ºF* 5.3 2.2 3.2 * Reid Vapor Pressure determined on commercial products rather than C.P. compounds. In case of Benzene, vapor pressure value is for commercial 90% Benzol. | ||