Reaction time (d)
c
a
CP (mg L
-1
)
% of CP not detected
liquid medium of malt extract (2% w/v)
10
6.0±1.5
88
20
3.6±1.1
93
30
-
100
Sterilized destilled water
10
46.2± 2.9
8
20
36.1± 1.0
28
30
19.5±0.9
61
a = concentration determined by HPLC-UV.
Table 5:
Quantitative degradation of chlorpyrifos (50 mg L
-1
) by spontaneous hydrolysis on the 10
th
, 20
th
and 30
th
d of reaction in a liquid medium.
