Research Article

A Thermodynamics Study on the Tetrahydrofuran Effect in Exfoliated Graphite Nanoplatelets and Activated Carbon Mixtures at Temperatures between 293.15 and 308.15 K

Table 5

Calculated values of the acoustic impedance Z, adiabatic compressibility kS, space-filling factor S, specific refraction rD, and relaxation strength r at various temperatures T and specific concentrations C of AC for the system AC + THF.

T (K)Sr

C (kg·m−3) = 0
293.1511.571456.629040.246330.277520.33613
298.1511.286176.925540.244910.277620.36062
303.1511.003937.239780.243480.277750.38452
308.1510.724607.574000.242060.277870.40797
C (kg·m−3) = 20
293.1511.571626.629150.246330.277500.33617
298.1511.287526.924280.244910.277610.36054
303.1511.005057.238640.243490.277750.38445
308.1510.725887.572550.242080.277870.40788
C (kg·m−3) = 40
293.1511.572236.628910.246330.277490.33619
298.1511.288316.923470.244920.277610.36048
303.1511.006337.237450.243500.277730.38439
308.1510.726867.571420.242080.277870.40781
C (kg·m−3) = 60
293.1511.573026.628300.246340.277480.33616
298.1511.289616.922350.244920.277600.36042
303.1511.007437.236500.243510.277720.38435
308.1510.728567.569550.242090.277860.40771
C (kg·m−3) = 80
293.1511.574436.626990.246340.277470.33606
298.1511.290786.921310.244930.277590.36036
303.1511.008767.235160.243510.277710.38428
308.1510.729967.568010.242090.277850.40762
C (kg·m−3) = 100
293.1511.576236.625450.246350.277460.33596
298.1511.292476.919790.244930.277570.36027
303.1511.010397.233510.243520.277700.38418
308.1510.731607.566300.242100.277830.40753