Table 1. Values of m Obtained from eq 3.

time (min)	m	R2
0	–4.60	0.99
5	–5.44	0.96
10	–5.72	0.99
15	–6.76	0.95
20	–7.31	0.95
25	–7.74	0.99
30	–7.86	0.99
40	–7.85	0.99
50	–7.89	0.99
60	–7.18	0.99
70	–7.87	0.96
80	–8.03	0.97
90	–7.64	0.96
120	–7.28	0.91
150	–7.49	0.92
210	–7.51	0.90
300	–7.84	0.89