Research Article

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

Table 3

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

T/Kx [C8mim][OAc] +  (1−x) DMSO, ρ/kg·m−3
x
1.0000.8420.7350.5530.4150.3120.2340.1720.000

303.15988.8994.5999.61010.01020.81031.11041.01050.71090.4
308.15985.9991.5996.51006.71017.41027.51037.31046.71085.5
313.15982.9988.4993.31003.51014.01023.91033.51042.71080.5
318.15979.9985.4990.21000.21010.61020.41029.71038.81075.5
323.15976.9982.3987.1997.01007.21016.81025.91034.81070.5
328.15973.9979.3984.0993.81003.81013.21022.11030.81065.5
333.15970.9976.2980.9990.51000.41009.61018.31026.81060.5
338.15967.9973.1977.8987.3997.01006.01014.51022.81055.5
343.15964.9970.1974.6984.0993.61002.41010.71018.81050.5
348.15961.9967.1971.5980.8990.2998.81006.91014.71045.5

The standard uncertainties (u) are u(x) = 2.0·10−3 and u(T) = 0.01 K. The relative standard uncertainty (ur) is ur(ρ) = 0.005.