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 7

The slope and intercept parameters obtained for density, speed of sound, refractive index, isentropic compressibility, and relaxation strength in binary AC + THF mixtures.

T (K)293.15298.15303.15308.15

Density
Slope0.0682408770.0024285710.0027428570.002471429
Intercept887.6161905882.1519048876.6328571871.1280952
Speed of sound
Slope0.001728570.0033571430.0033285710.004528571
Intercept1303.5819051279.383811255.2352381231.095238
Refractive index
Slope0.0000003140.0000004290.0000005710.000000657
Intercept1.4073042861.4046419051.4019847621.399330476
Isentropic compressibility
Slope−0.000035771−0.0000554−0.000061057−0.000077129
Intercept6.6297619056.925567.2398928577.574161429
Relaxation strength
Slope−0.000001729−0.000003357−0.000003214−0.00000440
Intercept0.3361980950.360616190.3845223810.407973333