720
HPLC CHROMATOGRAMS |
FOODS & FLAVORS
Food Contaminants
LC_EV0479A
Peak List:
Compound
Polarity Mol. Wt.
RT (min.)
Transition 1
methamidophos
positive 141.13
0.45
142.0
→
94.0
acephate
positive 183.17
0.62
184.0
→
142.8
bentazone
negative 240.28
0.77
239.0
→
131.8
omethoate
positive 213.14
1.07
214.0
→
124.9
bromoxynil
negative 276.91
1.32
275.9
→
80.8
butoxycarboxin
positive 222.27
1.64
223.1
→
86.1
aldicarb sulfoxide positive 206.26
2.03
207.1
→
132.1
methomyl
positive 162.21
2.08
163.1
→
88.1
Ioxynil
negative 370.92
2.46
369.8
→
126.7
thiamethoxam positive 291.7
2.7
292.0
→
211.0
monocrotophos
positive 223.17
2.73
224.1
→
127.0
dimethoate
positive 229.26
2.9
230.1
→
199.0
fenuron
positive 164.21
3.1
165.1
→
72.1
dioxacarb
positive 223.23
3.12
224.0
→
123.0
dicrotophos
positive 237.19
3.28
238.0
→
112.0
vamidothion
positive 287.34
3.45
288.0
→
146.0
carbendazim
positive 191.19
3.73
192.0
→
160.0
aldicarb
positive 190.27
3.73
208.1
→
116.0
formetanate
positive 221.26
3.74
222.1
→
165.2
acetamiprid
positive 222.67
3.95
223.1
→
126.1
carbetamide
positive 236.27
3.99
237.0
→
192.0
oxamyl
positive 219.26
3.99
237.1
→
72.2
aminocarb
positive 208.26 4.11, 4.44 209.2
→
137.1
propoxur
positive 209.24
4.15
210.1
→
111.0
oxadixyl
positive 278.31
4.21
279.0
→
219.0
bendiocarb
positive 223.23
4.24
224.1
→
109.1
thiacloprid
positive 252.71
4.25
253.2
→
126.1
thiophanate methyl
positive 342.4
4.3
343.0
→
151.0
methabenzhiazuron positive 221.28
4.31
222.0
→
165.1
tricyclazole
positive 189.23
4.35
190.0
→
163.0
pyracarbolid
positive 217.27
4.38
218.2
→
125.0
propamocarb
positive 188.27
4.41
189.2
→
102.2
carboxin
positive 235.3
4.51
236.0
→
143.0
ethiofencarb
positive 225.31
4.52
226.1
→
106.9
carbaryl
positive 201.22
4.58
202.1
→
145.1
thiabendazole
positive 201.25
4.6
202.0
→
175.0
carbanilide
positive 212.25
4.6
213.1
→
94.0
clethodim
positive 359.91
4.61
360.0
→
164.0
tebuthiuron
positive 228.32
4.68
229.2
→
172.4
Compound
Polarity Mol. Wt.
RT (min.)
Transition 1
fluometuron
positive 232.21
4.75
233.1
→
72.0
metobromuron
positive 259.1
4.82
259.0
→
170.2
flutriafol
positive 301.3
4.84
302.0
→
123.0
chlortoluron
positive 212.68
4.92
213.1
→
72.2
simetryn
positive 213.31
4.96
214.0
→
124.0
pirimicarb
positive 238.29
4.97
239.2
→
72.1
forchlorfenuron
positive 247.68
5.04
248.0
→
129.1
siduron
positive 232.32
5.09
233.3
→
137.2
ethofumesate
positive 286.35
5.11
304.0
→
121.0
cycluron
positive 198.31
5.13
199.1
→
89.1
diuron
positive 233.1
5.13
233.1
→
72.0
diethofencarb
positive 267.33
5.15
268.0
→
226.0
furalaxyl
positive 301.34
5.18
302.2
→
95.0
methiocarb
positive 225.31
5.24
226.1
→
169.2
secbumeton
positive 225.29
5.24
226.2
→
169.9
terbumeton
positive 225.29
5.25
226.2
→
169.9
prometon
positive 225.29
5.26
226.2
→
142.3
paclobutrazol
positive 293.8
5.26
294.0
→
70.0
promecarb
positive 207.27
5.27
208.2
→
109.2
dimoxystrobin
positive 326.39
5.27
327.1
→
205.0
ametryn
positive 227.33
5.29
228.2
→
186.2
methoprotryne
positive 271.39
5.32
272.2
→
240.2
triadimefon
positive 293.75
5.32
294.0
→
197.0
mexacarbate
positive 222.28
5.34
223.2
→
166.2
fludioxinil
negative 248.19
5.34
247.0
→
179.9
boscalid
negative 343.21
5.36
343.0
→
307
azoxystrobin
positive 403.3
5.36
404.1
→
372.1
methoxyfenozide positive 368.47
5.38
369.0
→
149.0
cyproconazole
positive 291.78
5.39
292.2
→
70.2
prothioconazole
negative 344.26
5.41
341.9
→
305.8
flufenacet
positive 363.34
5.46
364.0
→
152.0
butafenacil
positive 474.82
5.47
492.2
→
331.1
myclobutanil
positive 288.78
5.51
289.0
→
70.0
dimethomorph
positive 387.86 5.52, 5.54 388.0
→
301.0
bromuconazole 47 positive 377.06
5.54
378.0
→
159.0
prometryn
positive 241.36
5.55
242.2
→
158.1
fipronil
negative 437.15
5.56
434.9
→
329.8
triticonazole
positive 317.81
5.58
318.0
→
70.0
tetraconazole
positive 372.12
5.6
372.0
→
159.0
uniconazole
positive 291.78
5.62
292.2
→
70.2
fluoxastrobin
positive 458.83
5.62
459.2
→
427.2
cyazofamid
positive 324.78
5.63
325.0
→
108.0
terbutryn
positive 241.36
5.65
242.2
→
186.0
tebufenozide
positive 352.47
5.65
353.1
→
133.1
chloroxuron
positive 290.75
5.67
291.0
→
72.0
picoxystrobin
positive 367.25
5.67
368.0
→
145.0
carfentrazone-ethyl positive 412.17
5.69
412.0
→
346.0
diclobutrazol
positive 328.21
5.71
328.0
→
70.0
fenoxycarb
positive 301.34
5.72
302.0
→
88.1
diflubenzuron
positive 310.67
5.72
311.2
→
158.1
neburon
positive 275.18
5.74
275.0
→
88.0
flusiazole
positive 315.4
5.76
316.0
→
247.0
epoxiconazole
positive 329.76
5.76
330.0
→
121.0
fenbuconazole
positive 336.82
5.76
337.0
→
125.0
bupirimate
positive 316.41
5.77
317.0
→
166.0
zoxamide
positive 336.54
5.77
336.2
→
187.1
rotenone
positive 394.42
5.79
395.0
→
213.0
benalaxyl
positive 325.41
5.83
326.0
→
148.0
tebuconazole
positive 307.82
5.84
308.0
→
70.0
penconazole
positive 284.19
5.93
284.0
→
159.0
cyprodinil
positive 225.29
5.96
226.0
→
93.0
propiconazole
positive 342.22
5.96
342.0
→
159.0
alanycarb
positive 399.52
5.98
400.1
→
238.2
triflumuron
positive 358.68
5.99
359.1
→
156.1
thiobencarb
positive 257.78
6
258.1
→
125.0
pyraclostrobin
positive 387.83
6
388.0
→
194.0
benzoximate
positive 363.8
6.01
364.0
→
199.0
pinoxaden
positive 400.52
6.01
401.3
→
317.2
clofentezine
positive 303.15
6.11
303.0
→
138.0
trifloxystrobin
positive 408.38
6.12
409.2
→
186.0
prochloraz
positive 376.67
6.21
376.0
→
308.0
difenoconazole
positive 406.28
6.29
406.0
→
251.0
benfuracarb
positive 410.53
6.29
411.2
→
195.1
triflumizole
positive 345.75
6.38
346.1
→
278.1
buprofezin
positive 305.44
6.4
306.0
→
201.0
piperonyl butoxide positive 338.45
6.42
356.2
→
177.2
pyriproxyfen
positive 321.28
6.52
322.0
→
96.0
propargite
positive 350.48
6.68
368.0
→
231.0
etoxazole
positive 359.42
6.87
360.1
→
141.0
amitraz
positive 293.41
6.89
294.2
→
163.3
noviflumuron
negative 529.1
7.08
527.1
→
343.8
pyridaben
positive 364.94
7.18
365.0
→
147.0
fenpyroximate
positive 421.5
7.2
422.0
→
366.0
fenpropimorph
positive 303.49
7.38
304.0
→
147.0
spiroxamine
positive 297.48 7.63, 7.81 298.0
→
144.0
spinosyn A
positive 731.97
8.37
732.6
→
142.2
Pesticides on Pinnacle® DB Aqueous C18 (LC/MS/MS, ESI+)
Sample:
multicomponent pesticide
standard
Inj.:
5µL
Conc.:
33.3ppb each pesticide
Sample diluent: acetonitrile
Column:
Pinnacle
®
DB Aqueous C18
Cat.#:
9418252
Dimensions: 50mm x 2.1mm
Particle size: 1.9µm
Pore size:
140Å
Conditions:
Mobile phase: A: 10mM NH
4
OAc in water
B: 10mM NH
4
OAc in methanol
Time (min.)
%B
0.0
10
1.0
10
8.0
90
10.0
90
11.0
10
Flow:
600µL/min.
Temp.:
35°C
Instrument: Shimadzu Prominence
®
UFLC
XR
Det.:
Applied Biosystems 4000 QTRAP
®
LC/MS/MS system
Ion Source: TurboIonSpray
®
, ESI+
IonSpray Voltage, ESI voltage: 5kV (ESI+)
Gas 1: 40psi
Gas 2: 60psi
Source Temp.: 500°C;
max pressure ~7,200psi
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Mar 2011
