Pesticides on Pinnacle DB Aqueous C18

PeakstR (min)PolarityMol. Wt. Transition 1
1.Bentazone0.77negative240.28239.0→131.8
2.Bromoxynil1.32negative276.91275.9→80.8
3.Ioxynil2.46negative370.92369.8→126.7
4.Fludioxonil5.34negative248.19247.0→179.9
5.Boscalid5.36negative343.21343.0→307.0
6.Prothioconazole5.41negative344.26341.9→305.8
7.Fipronil5.56negative437.15434.9→329.8
8.Noviflumuron7.08negative529.1527.1→343.8
image
LC_FF0479B
ColumnPinnacle® DB Aqueous C18 (cat.# 9418252)
Dimensions:50 mm x 2.1 mm ID
Particle Size:1.9 µm
Pore Size:140 Å
Temp.:35 °C
Samplemulticomponent pesticide standard
Diluent:water
Conc.:33.3 ppb each pesticide
Inj. Vol.:5 µL
Mobile Phase
A:10 mM NH4OAc in water
B:10 mM NH4OAc in methanol
Time (min)%B
0.0010
110
890
1090
1110
Flow:0.60 mL/min
Max Pressure:~517 bar
DetectorApplied Biosystems/MDS Sciex LC/MS/MS
Model #:4000 QTRAP® LC-MS/MS system
Ion Source:TurboIonSpray®
Ion Mode:ESI-
Ion Spray Voltage:-4.2 kV
Gas 1:40 psi (275.8 kPa)
Gas 2:60 psi (413.7 kPa)
Source Temp.:500 °C
InstrumentShimadzu UFLCXR
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