Method Validation and Measurement Uncertainty Estimation for Determination of Multiclass Pesticide Residues in Tomato by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Table 1
Name, ion type, precursor ion, product ions, fragmentor voltage, collision energies, cell accelerator potential, retention time, and ionization polarity of target 26 pesticides.
S. N.
Pesticide
Ion type
Precursor ion (m/z)
Product ions(m/z)
Frag (V)
CE (V)
Cell acc (V)
Rt (min)
ESI polarity
1
3-Hydroxycarbofuran
[M + H]+
238.1
181.1
70
5
6
4.36
Positive
163.1
70
5
6
4.36
Positive
2
Acephate
[M + H]+
184
142.9
50
4
6
1.98
Positive
95
50
20
6
1.98
Positive
3
Alachlor
[M + H]+
270.1
238
90
4
6
7.07
Positive
162.1
90
16
6
7.07
Positive
4
Aldicarb
[M + NH4]+
208.1
116
60
0
6
4.95
Positive
89
60
12
6
4.95
Positive
5
Aldicarb sulfone
[M + NH4]+
240
148
80
5
6
3.03
Positive
86
80
10
6
3.03
Positive
6
Aldicarb sulfoxide
[M + H]+
207.1
132
55
0
6
2.83
Positive
89.1
55
8
6
2.83
Positive
7
Carbaryl
[M + H]+
202.1
145
130
4
6
5.76
Positive
127
130
28
6
5.76
Positive
8
Carbendazim
[M + H]+
192.1
160
130
16
6
3.52
Positive
132
130
32
6
3.52
Positive
9
Carbofuran
[M + H]+
222.1
165
75
4
6
5.57
Positive
123
75
20
6
5.57
Positive
10
Cyprodinil
[M + H]+
226.1
93.1
130
36
6
7.12
Positive
77.1
130
48
6
7.12
Positive
11
Dimethoate
[M + H]+
230
198.9
70
4
6
4.24
Positive
124.9
70
16
6
4.24
Positive
12
Ethoprophos
[M + H]+
243.1
130.9
85
16
6
7.02
Positive
96.9
85
28
6
7.02
Positive
13
Imazalil
[M + H]+
297.1
158.9
120
20
6
6.1
Positive
69.1
120
16
6
6.1
Positive
14
Imidacloprid
[M + H]+
256.1
209
80
12
6
4.02
Positive
175
80
12
6
4.02
Positive
15
Kresoxim-methyl
[M + H]+
314.1
267
60
0
6
7.23
Positive
116
60
8
6
7.23
Positive
16
Metalaxyl
[M + H]+
280.2
220
90
8
6
6.24
Positive
192.1
90
12
6
6.24
Positive
17
Methidathion
[M + H]+
303
144.9
65
4
6
6.33
Positive
85.1
65
16
6
6.33
Positive
18
Methiocarb
[M + H]+
226.1
169
70
4
6
6.67
Positive
121
70
12
6
6.67
Positive
19
Methomyl
[M + H]+
163.1
135
145
8
6
4.34
Positive
107
145
20
6
4.34
Positive
20
Monocrotophos
[M + H]+
224.1
193
60
0
6
3.67
Positive
126.9
60
12
6
3.67
Positive
21
Oxamyl
[M + H]+
220.1
163
110
4
6
4.34
Positive
107
110
24
6
4.34
Positive
22
Penconazole
[M + H]+
284.1
158.9
115
28
6
7.21
Positive
70.1
115
12
6
7.21
Positive
23
Propargite
[M + NH4]+
368.2
231.1
80
4
6
7.84
Positive
175
80
12
6
7.84
Positive
24
Propoxur
[M + H]+
210.1
168
60
0
6
5.52
Positive
111
60
8
6
5.52
Positive
25
Thiabendazole
[M + H]+
202
175
125
24
6
3.92
Positive
131
125
36
6
3.92
Positive
26
Trichlorfon
[M + H]+
256.9
220.9
90
4
6
4.24
Positive
108.9
90
12
6
4.24
Positive
Product ions used as quantifier ions are indicated in bold, while qualifier product ions are not in bold. Rt, retention time; CE, collision energy; Frg, fragmentor voltage; Cell acc, cell accelerator potential; ESI, electrospray ionization.
