Page 46 - Volume 3, Issue 2, July 2010
Basic HTML Version
© Benaki Phytopathological Institute
Pesticides in cereal-based baby foods
77
Table 2.
Summary of Calibration line parameters for the compounds in 3 – 40 μg/l concentration range.
Analytes
Detector
r
r
2
b
S
b
a
S
a
S
u
aldrin
ECD 0.998 0.996
222.78
6.05
18.32
123.43
0.92
cadusafos
NPD 0.998 0.997
11.14
0.26
3.41
5.40
0.81
demeton-s-methyl
NPD 0.980 0.961
0.54
0.04
0.77
0.91
2.80
demeton-s-methyl sulfone
NPD 0.990 0.981 1165719 73085 -1571724 1493110
2.44
demeton-s-methyl sulfoxide
NPD 0.994 0.988 2475677 126093 -4452833 2576058
1.98
dieldrin
ECD 0.998 0.995
187.75
5.24
79.51
107.05
0.95
dimethoate
ECD 0.993 0.985
10.87
0.54
26.97
11.08
1.70
NPD 0.980 0.960
0.16
0.01
0.01
0.27
2.84
disulfoton
ECD 0.996 0.993
6.28
0.22
-2.75
4.39
1.16
disulfoton-sulfone
ECD 0.996 0.991
7.71
0.30
3.02
6.05
1.31
disulfoton-sulfoxide
ECD 0.999 0.998
4.58
0.08
3.70
1.66
0.60
NPD 0.998 0.995
0.25
0.01
-0.11
0.14
0.97
ethoprophos
ECD 0.992 0.984
10.06
0.53
28.32
10.85
1.80
NPD 0.984 0.969
0.26
0.02
1.64
0.50
3.14
fensulfothion
ECD 0.990 0.980
8.92
0.52
-4.94
10.71
2.00
NPD 0.989 0.978
0.28
0.02
-0.73
0.35
2.08
fensulfothion sulfone
ECD 0.998 0.995
66.44
1.90
-4.81
38.70
0.97
NPD 0.969 0.939
0.19
0.02
0.12
0.41
3.53
fensulfothion-oxon
ECD 0.994 0.987
5.65
0.26
8.51
5.36
1.58
fensulfothion-oxon-sulfone
ECD 0.991 0.982
5.81
0.33
11.66
6.64
1.90
fipronil
ECD 0.999 0.998
155.34
2.59
-38.92
52.88
0.57
NPD 0.999 0.998
0.54
0.01
0.16
0.22
0.66
fipronil-desulfinyl
ECD 0.995 0.989
297.02
12.77 -615.64
260.63
1.46
heptachlor
ECD 0.996 0.991
122.25
4.73
-56.98
96.46
1.31
heptachlor epoxid (trans)
ECD 0.996 0.993
168.47
5.82
19.21
118.71
1.17
hexachlorobenzene
ECD 0.997 0.994
137.51
4.33
63.42
88.32
1.07
nitrofen
ECD 0.995 0.990
132.44
5.33
7.73
108.76
1.37
omethoate
-
-
-
-
-
-
-
-
terbufos
ECD 0.997 0.994
7.37
0.24
4.32
4.80
1.08
terbufos-sulfone
ECD 0.990 0.981
25.02
1.43
57.43
29.13
1.94
NPD 0.980 0.960
0.30
0.02
0.45
0.51
2.85
terbufos-sulfoxide
-
-
-
-
-
-
-
-
b : Slope of the regression
line
S
b
: Mean standard
deviation of the slope
of the regression line
a : Mean of the
population that
corresponds to x=0
S
a
: Mean standard
deviation of the mean
of the population that
corresponds to x=0
r : correlation coefficient
r
2
: determination
coefficient
S
u
: standard uncertainty
of the concentration
(μg/ml) due to the
calibration line
