Table 1.
OP half-life in sodium hydroxide
OP | pH | t½, min | k, min−1 | °C | Solvent | Reference |
---|---|---|---|---|---|---|
Chlorpyrifos | 12.9 | 18.2 | 0.038 | 25 | NaOH in water | (Macalady and Wolfe, 1983) |
Chlorpyrifos oxon | 11.8 | 13.9 | 0.05 | 23 | 10 mM NaOH | Present report |
Dichlorvos | 11.5 | 46.2 | 0.015 | 25 | NaOH in water | (Grechko et al., 1983) |
Diazoxon | 13 | 2.5 | 0.28 | 23 | 100 mM NaOH | Present report |
Paraoxon-ethyl | 13 | 11.5 | 0.06 | 23 | 100 mM NaOH | Present report; |
Paraoxon-methyl | 13 | 2.3 | 0.3 | 23 | 100 mM NaOH | Present report; |