Table 3.

Photolytic regressive functions of S-(+)-dufulin and R-(−)-dufulin in water (n=3)

Compound	pH	Conc. (μg/mL)	Regressive function	Parameters (n= 3)
				R2	t1/2(min)
S-(+)-dufulin	5	3.00	Ct = 2.6574 e-0.0057t	0.9599	121.6
R-(−)-dufulin			Ct = 2.8646 e-0.0115t	0.8891	60.3
S-(+)-dufulin	7	0.30	Ct = 0.2769 e-0.0237t	0.9685	29.2
R-(−)-dufulin			Ct = 0.2238 e-0.0239t	0.9624	29.0
S-(+)-dufulin	7	1.50	Ct = 1.4643 e-0.0184t	0.9712	37.7
R-(−)-dufulin			Ct = 1.4287 e-0.0217t	0.9810	31.9
S-(+)-dufulin	7	3.00	Ct = 2.5146 e-0.0100t	0.9769	69.3
R-(−)-dufulin			Ct = 2.7476 e-0.0127t	0.9808	54.6
S-(+)-dufulin	9	3.00	Ct = 2.5009 e-0.0101t	0.9522	68.6
R-(−)-dufulin			Ct = 2.3492 e-0.0121t	0.9325	57.3