Page 34 - Volume 2,Issue 2, July 2009

© Benaki Phytopathological Institute
Anagnostopoulos et al. 80
Table 2.
Mass spectrometry (MS) and chromatography parameters of the studied analytes.
Analyte
Precursor ion
Quantification
Transition
m/z
Capillary
(V)
Collisioncell energy
(eV)
QualifierTransition
m/z
Capillary
(V)
Collisioncell energy
(eV)
RT (min)
Time
segments
aldicarb sulfoxide
[M+H]+ 207
89
42
18
207
132
40
15
1.2
1
aldicarb sulfone
[M+H]+
240
148
40
15
240
86
25
25
1.52
1
oxamyl
[M+H]+
237
72
36
15
237
90
36
15
1.55
1
demeton-S-methyl sulfoxide
[M+H]+
247
169
21
14
247
109
20
35
1.81
1
methomyl
[M+H]+
163
88
8
8
163
106
15
10
1.94
1
thiamethoxam
[M+H]+
292
211
51
17
292
181
56
31
2.27
1
monocrotophos
[M+H]+
224
127
40
20
224
98
46
17
2.50
1 & 2
imidacloprid
[M+H]+
256
209
45
20
256
175
45
25
3.35
1 & 2
methiocarb sulfoxide
[M+H]+
242
185
25
15
242
168
25
30
3.75
1 & 2
vamidothion
[M+H]+
288
146
10
30
288
118
10
40
3.98
2
carbofuran 3-hydroxy
[M+H]+
238
163
25
15
238
181
21
15
4.00
2
acetamiprid
[M+H]+
223
126
36
27
223
90
31
45
4.14
2
cymoxanil
[M+H]+
199
128
46
13
199
111
41
25
4.41
2
methiocarb sulfone
[M+H]+
275
122
25
25
258
122
25
45
4.61
2
carbendazim
[M+H]+
192
160
40
14
192
132
40
28
4.65
2
thiacloprid
[M+H]+
253
126
81
29
253
186
76
19
5.03
2
aldicarb
[M+NH
4 ]+ 208
89
10
20
208
116
10
20
5.3
2
thiabendazole
[M+H]+
202
175
40
30
202
131
40
30
5.84
2
carbofuran
[M+H]+
222
123
25
40
222
165
25
25
6.51
2 & 3
demeton-S-methyl
[M+H]+ 248
89
6
15
248
61
6
47
6.9
2 & 3
carbaryl
[M+H]+
202
145
40
15
202
127
40
50
7.13
3
fosthiazate
[M+H]+
284
104
61
27
284
228
61
15
7.31
3
thiodicarb
[M+H]+
355
108
30
25
355
88
30
25
7.43
3 & 4
pyrimethanil
[M+H]+
200
107
30
30
200
82
30
30
8.93
4
dimethomorph
[M+H]+
388
301
60
17
388
165
60
28
9.07
4
fenamidone
[M+H]+
312
92
41
33
312
236
41
19
9.18
4