Influence of Air Temperature and Humidity on Dehydration Equilibria and Kinetics of Theophylline

Table 3

Values of the rate constants for the three models (𝑘_𝐴, 𝑘_𝐵, and 𝑘_𝐶).

T°C	Humidity (%RH)	𝑘𝐴 (min^−1) × 10^−3	𝑅^2 (—)	𝑘𝐵 (min^−1) × 10^−3	𝑅^2 (—)	𝑘𝐶 (min^−1) × 10^−3	𝑅^2 (—)
	3.8	1.0	0.885	0.8	0.998	1.2	0.999
20	11.6	0.4	0.985	0.1	0.934	0.3	0.992
	32.0	9.4	0.927	1.0	0.927	8.1	0.928
	3.0	10.4	0.95	12.1	0.954	15.8	0.979
	11.3	7.5	0.967	7.7	0.950	10.4	0.977
30	32.0	3.1	0.962	1.0	0.976	1.5	0.996
	43.0	39.4	0.935	59.8	0.999	71.7	0.999
	51.0	8.6	0.831	5.9	0.753	9.0	0.899
	2.4	4.9	0.951	2.2	0.852	3.7	0.869
	11.2	3.3	0.866	12.5	0.988	18.7	0.999
40	31.6	12.7	0.921	14.6	0.992	19.1	0.979
	42.3	5.2	0.7815	2.8	0.991	4.4	0.993
	48.4	7.4	0.9318	4.4	0.981	7.9	0.985
	53.2	8.0	0.711	2.2	0.985	3.6	0.995
	10.6	5.6	0.937	2.6	0.991	4.4	0.996
50	30.0	27.8	0.830	28.6	0.989	38.7	0.969
	50.0	16.2	0.941	19.4	0.979	2.5	0.986
	10.1	5.8	0.904	10.9	0.938	9.2	0.897
	26.0	23.8	0.962	30.6	0.973	38.6	0.996
80	44.0	41.5	0.986	82.5	0.968	98.0	0.979
	51.4	2.9	0.806	21.2	0.954	32.0	0.946