Surfactant Effects on Environmental Behavior of Pesticides - Reviews of Environmental Contamination and Toxicology - page 106

Table 6 Hydrolysis of pesticides in micelles
No. Pesticide/structure Surfactant/medium T (°C) k ϕ k 2w b k 2m c Reference

a

3 Parathion HDTMA Br ( 90 mM) in borate buffer

at pH 9.0, ± 0.1-1 M H 2 O 2

≤ 37 0.9 -

1.4 × 10 −4

*0.41 × 10 −4 Purnanand and

Danikhel (1985)

S

C 2 H 5 O
C 2 H 5 O

P O NO 2

4 Paraoxon HDTMA Br (≤90 mM) in borate buffer

at pH 9.0, ± 0.1 - 1 M H 2 O 2

37 3.9 -

6.6 × 10 −4

*2.45 × 10 −4 Purnanand and

Danikhel (1985)

O

C 2 H 5 O
C 2 H 5 O

P O NO 2

5 Fenitrothion HDTMA OH (20 mM) 25 9.6 × 10 −4 2.43 × 10 −3 1.66 × 10 −3 Balakrishnan et al.

(2004)

S

CH 3 O
CH 3 O

P O NO 2

HDTMA MINA d (20 mM) 8.2 × 10 −4 1.15 × 10 −3 7.80 × 10 −4 Balakrishnan et al.

(2005)

CH 3

HDTMA Br (≤10 mM) + 20 mM OH − 2.43 × 10 −3 2.89 × 10 −3

6 Cyanofenphos HDTMA Br ( 130 mM) at pH 10 - 11.4,

± 10 - 70 m M H 2 O 2

≤ 30 ± 0.5 1 - 38 × 10 −4 0.10 - 0.16 1.61 - 3.06 ×10 −4 Danikhel and

Purnanand (1990)

S

P O CN

OC 2 H 5

8 Carbaryl HDTMA Br ( ≤ 12 mM) in phosphate buffer 30 *4.58 × 10 −6

* 2.05 × 10 −4

Patel and Wurster
(1991) at pH 7.5

H NCH 3

O C

O

HDTMA Br (5 mM) in 5 natural waters
+ 3 - 10 m M OH −

25 ± 0.1 6 - 22 × 10 −4 2-11 × 10 −4 Gonzalez et al. (1992)

9 Carbofuran SDS ( ≤ 0.12 M) + 6 - 7 mM OH − 25 ± 0.1 1-8 × 10 −3 1.16 Arias et al. (2005)