TABLE V:

Transient Analysis of Acrylamide Quenching of Indole in Water at 20 °C

[acrylamide], mM	exp(−t/τ − 2bt1/2)			radiation model
	R, Å	105D, cm2/s	χR2	R, Å	105D, cm2/s	κ, cm/s	χR2
25	6.5	1.24	1.8	7.51	3.30	〈253〉	2.0
50	7.2 (6.6–7.8)a	1.06 (0.94–1.20)	1.7	7.46	3.28	〈253〉	2.0
75	7.6	0.94	1.9	7.37	3.51	〈253〉	2.4
100	10.8	0.50	4.1	7.53	2.42	〈253〉	6.3
150	9.6	0.54	5.4	7.04	2.99	〈253〉	1.7
200	10.2	0.50	10.2	7.05	3.06	〈253〉	3.8
300	13.5 (12.4–14.8)	0.23 (0.18–0.29)	14.2	6.89	2.49	〈253〉	4.7
400	20.4	0.058	33.9	6.75	1.7	〈253〉	14.2
500	53.3	0.002	34.2	6.81	1.56	〈253〉	16.1
	〈7〉	1.20	204	〈7〉	1.49	〈253〉	16.3
700	58.7 (52.9–66.5)	(0.001) (0.0004–0.001)	89.3	6.16	1.1	〈253〉	21.5
Simultaneous Analyses
0–75	7.1	1.07	2.0	7.38	3.55	〈253〉	2.2
25–300	8.2 (7.5–8.8)	0.80 (0.69–0.94)	31.2	7.07	3.79	〈253〉	19.6
0–500	9.2	0.64	53.6	7.07	3.41	〈253〉	35.3

^aThe values in parentheses are the range of values consistent with the data for confidence interval of 67%, including the effects of parameter correlation.^29,30