Research Article

Thermophysical Properties of 1-Octyl-3-Methylimidazolium Acetate with Organic Solvents

Table 5

Experimental densities of [C8mim][OAc] with organic solvent of DMF at atmospheric pressure (0.0967 ± 0.0020) MPa from 303.15 K to 348.15 K.

T/Kx [C8mim][OAc] +  (1−x) DMF, ρ/kg·m−3
x
1.0000.8420.7230.5300.4070.2990.2240.1600.000

303.15988.8986.7984.7980.1975.8970.8966.1960.6939.7
308.15985.9983.6981.6976.8972.3967.1962.3956.6934.9
313.15982.9980.5978.4973.4968.8963.4958.4952.6930.1
318.15979.9977.5975.3970.1965.3959.7954.6948.5925.3
323.15976.9974.4972.1966.7961.8956.0950.7944.4920.5
328.15973.9971.3968.9963.3958.3952.3946.8940.4915.7
333.15970.9968.2965.7960.0954.8948.6942.9936.3910.9
338.15967.9965.2962.6956.6951.2944.9939.0932.2906.1
343.15964.9962.1959.4953.2947.7941.1935.0928.1901.2
348.15961.9959.0956.2949.8944.1937.4931.0924.0896.3

The relative standard uncertainty (ur) is ur(ρ) = 0.005.