Compounds
Mean recovery
(± SD)
Correlation
Coefficient (R2)
RSD %
Detection
limits (ng/g)
heptachlor
97.4 ± 1.0
0.9998
10.6
1
aldrin
70.6 ± 8.4
0.9999
13.1
1
heptachlor epoxide
83.5 ± 1.1
0.9997
7.0
5
γ chlordane
77.7 ± 9.3
0.9998
12.9
5
α chlordane
73.6 ± 1.1
0.9996
10.4
5
4.4 DDE
70.5 ± 9.3
0.9996
12.3
5
endosulfan I
77.2 ± 9.2
0.9999
10.3
1
dieldrin
67.9 ± 1.2
0.9993
10.4
1
endrin
100.6 ± 1.6
0.9999
10.5
1
4.4' DDD
74.2 ± 1.2
0.9996
6.9
1
endosulfan II
67.9 ±1.5
0.9997
11.9
1
4.4 DDT
83.2 ±1.2
0.9991
10.6
1
endrin aldehyde
77.7 ± 1.5
0.9993
15.3
1
methoxychlor
102.5 ± 1.1
0.9997
15.9
1
endosulfan sulfate
111.0± 1.2
0.9992
11.8
1
endrin ketone
77.2 ± 2.7
0.9994
10.9
1
Table 2:
Mean recoveries, correlation coefficients, relative standard deviation (RSD%) and detection limits.
