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 10

Fitting parameters A_i and correlation coefficient R² obtained for density , speed of sound c, refractive index n_D, isentropic compressibility k_S, and relaxation strength r along with the absolute average percentage deviation (AAD%) for binary xGnP + THF mixtures.^a

T (K)	C (kg·m^−3)	A1 (kg·m^−3)	A2 (kg^0·m^0)	A3 (kg^−1·m^3)	R^2	AAD%
(kg·m^−3)
293.15	0–100	887.61	0.0075589	−0.0000040	0.99423	0.002
298.15	0–100	882.17	0.0070750	0.0000027	0.99438	0.002
303.15	0–100	876.65	0.0086321	−0.0000080	0.98620	0.003
308.15	0–100	871.14	0.0088200	−0.0000100	0.99598	0.002
T (K)	C (kg·m^−3)	A1 (kg^0·m^−1·s)	A2 (kg·m^−4·s)	A3 (kg^2·m^−7·s)	R^2	AAD%
c (m·s^−1)
293.15	0–100	1303.65	−0.002848	0.000023	0.99669	0.001
298.15	0–100	1279.38	0.003270	−0.000025	0.99509	0.001
303.15	0–100	1255.24	0.004354	−0.000035	0.98499	0.002
308.15	0–100	1231.10	0.005780	−0.000042	0.98843	0.001
T (K)	C (kg·m^−3)	A1	A2·10^5	A3·10^7	R^2	AAD%
nD
293.15	0–100	1.40735	−0.000032012	0.000000353	0.98442	0.086
298.15	0–100	1.40468	−0.000032420	0.000000351	0.98895	0.084
303.15	0–100	1.40203	−0.000035411	0.000000388	0.98336	0.119
308.15	0–100	1.39935	−0.000028093	0.000000320	0.97351	0.092
T (K)	C (kg·m^−3)	A1 (10^−10·kg^0·m^2·N^−1)	A2 (10^−9·kg^−1·m^5·N^−1)	A3 (10^−9·kg^−2·m^8·N^−1)	R^2	AAD%
kS (10^−10·m^2·N^−1)
293.15	0–100	6.6291139	−0.000273	−0.000002	0.991057	0.002
298.15	0–100	6.9255086	−0.000910	0.000002	0.996994	0.003
303.15	0–100	7.2397718	−0.001216	0.000005	0.991389	0.003
308.15	0–100	7.5739754	−0.001478	0.000006	0.995453	0.002
T (K)	C (kg·m^−3)	A1 (kg^0·m^0)	A2 (kg^−1·m^3)	A3 (kg^−2·m^−6)	R^2	AAD%
r
293.15	0–100	0.33613	0.000002848	−0.000000023	0.99669	0.001
298.15	0–100	0.36062	−0.000003270	0.000000025	0.99508	0.001
303.15	0–100	0.38453	−0.000004354	0.000000035	0.98499	0.001
308.15	0–100	0.40797	−0.000005780	0.000000042	0.98843	0.002

^aA_i and R² were obtained from (2).