Table 3.

The kinetic and thermodynamic stability data for pure CIL and CIL/PVP formulations

Temp. (°C)	k ± ∆k [s -1 ]	r	Linear Arrhenius relationship f (1/T) = lnk	Thermodynamic parameters
Pure CIL (6)
70	(1.217 ± 0.059) 10-7	-0.998
75	(7.607 ± 0.418) 10-7	-0.998	a = -20025.29 ± 2500.3 sa = 785.75 b = 44.21 ± 7.2 sb = 2.26 r = 0.998	Ea [kJ/mol] 166.49 ± 20.8 H [kJ/mol] 164.02 ± 23.3 S [J/mol∙K] 122.68 ± 185.1
80	(1.662 ± 0.129) 10-6	-0.994
85	(2.963 ± 0.202) 10-6	-0.994
90	(1.941 ± 0.106) 10-5	-0.997
CIL/PVP physical mixture
70	(7.863 ± 0.045) 10-9	-0.997
75	(3.852 ± 0.319) 10-8	-0.999	a = -24339.09 ± 4892.4 sa = 1762.39 b = 54.12 ± 14.1 sb = 5.07 r = 0.992	Ea [kJ/mol] 202.36 ± 40.8 H [kJ/mol] 199.94 ± 49.1 S [J/mol∙K] 205.14 ± 127.8
80	(9.672 ± 0.426) 10-8	-0.996
85	(4.008 ± 0.198) 10-7	-0.995
90	(3.009 ± 0.226) 10-6	-0.998
CIL/PVP solid dispersion
70	(1.000 ± 0.022) 10-9	-0.996
75	(9.886 ± 0.114) 10-9	-0.998	A = -33236.08 ± 5881.8 sa = 5881.47 b = 78.81 ± 19.5 sb = 6.09 r = 0.993	Ea [kJ/mol] 276.33 ±48.9 H [kJ/mol] 273.86 ± 51.3 S [J/mol∙K] 410.34 ± 104.2
80	(4.036 ± 0.246) 10-8	-0.995
85	(3.220 ± 0.099) 10-7	-0.998
90	(3.012 ± 0.316) 10-6	0.997