Table 5.

Concentration of 4-isopropylaniline accumulated in the medium

Time (days)	pH 6.5		pH 7.0		pH 7.5
	Control	Treatment	Control	Treatment	Control	Treatment
Temperature 25 °C
5	ND	0. 60 ± 0.02	ND	0.87 ± 0.20	ND	0.98 ± 0.30
10	ND	2.01 ± 0.04	ND	2.34 ± 0.04	ND	1.67 ± 0.32
15	ND	3.34 ± 0.70	ND	3.97 ± 0.23	ND	2.13 ± 0.23
20	ND	3.91 ± 0.31	ND	4.01 ± 0.52	1.08 ± 0.05	2. 76 ± 1.02
Temperature 30 °C
5	ND	0.78 ± 0.21	ND	1.88 ± 0.64	ND	2.47 ± 0.31
10	ND	2.66 ± 0.11	ND	3.77 ± 0.17	ND	3.45 ± 1.03
15	0.67 ± 0.02	3.56 ± 0.07	0.53 ± 0.02	4.23 ± 0.42	1.05 ± 0.10	3.89 ± 0.23
20	0.91 ± 0.06	4.22 ± 0.12	1.51 ± 0. 40	4.78 ± 0.12	1.79 ± 0.06	4.11 ± 0.10
Temperature 35 °C
5	ND	1.23 ± 0.05	ND	1.54 ± 0.32	ND	1.26 ± 0.17
10	ND	2.18 ± 0.21	ND	1.96 ± 0.16	0.67 ± 0.14	2.47 ± 0.10
15	0.89 ± 0.12	2.87 ± 0.51	1.50 ± 0.21	2.86 ± 1.20	1.58 ± 0.23	3.56 ± 0.26
20	1.68 ± 0.31	3.14 ± 0.13	1.74 ± 0.07	3.54 ± 0.32	1.88 ± 0.21	3.86 ± 0.17

Values are presented in mg l⁻¹, ND not detected, ±SE, n = 3