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Peaks | tR (min) | Precursor Ion (m/z) | Product Ion 1 (m/z) | Product Ion 2 (m/z) | |
---|---|---|---|---|---|
1. | Methamidophos | 1.4 | 142.0 | 94.0 | 125.0 |
2. | Acephate | 2.1 | 184.1 | 143.0 | 49.0 |
3. | Omethoate | 3.2 | 214.0 | 182.8 | 124.9 |
4. | Monocrotophos | 4.1 | 224.1 | 127.1 | 98.0 |
5. | Trichlorfon | 4.3 | 256.9 | 109.1 | 127.0 |
6. | Dicrotophos | 4.5 | 238.1 | 193.0 | 112.1 |
7. | Dimethoate | 4.5 | 230.0 | 199.0 | 125.0 |
Peaks | tR (min) | Precursor Ion (m/z) | Product Ion 1 (m/z) | Product Ion 2 (m/z) | |
---|---|---|---|---|---|
8. | Mevinphos isomer 1 | 4.6 | 225.1 | 127.1 | 193.2 |
9. | Vamidothion | 4.6 | 288.0 | 146.0 | 118.0 |
10. | Mevinphos isomer 2 | 4.9 | 225.1 | 127.1 | 193.2 |
11. | Carbaryl | 5.6 | 202.1 | 145.0 | 127.0 |
12. | Isocarbophos | 5.9 | 307.0 | 231.1 | 121.1 |
13. | Dimethomorph isomer 1 | 7.5 | 388.1 | 301.0 | 165.1 |
14. | Dimethomorph isomer 2 | 7.7 | 388.1 | 301.0 | 165.1 |
15. | Temephos | 10.6 | 467.0 | 419.1 | 405.0 |
Column | Ultra Aqueous C18 (cat.# 9178312) | ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dimensions: | 100 mm x 2.1 mm ID | ||||||||||||||||||||||||||||||||||||
Particle Size: | 3 µm | ||||||||||||||||||||||||||||||||||||
Pore Size: | 100 Å | ||||||||||||||||||||||||||||||||||||
Temp.: | 50 °C | ||||||||||||||||||||||||||||||||||||
Standard/Sample | LC multiresidue pesticide standard #1 (cat.# 31972) | ||||||||||||||||||||||||||||||||||||
Diluent: | Water | ||||||||||||||||||||||||||||||||||||
Conc.: | 50 ng/mL | ||||||||||||||||||||||||||||||||||||
Inj. Vol.: | 20 µL | ||||||||||||||||||||||||||||||||||||
Mobile Phase | |||||||||||||||||||||||||||||||||||||
A: | Water + 4 mM ammonium formate + 0.1% formic acid | ||||||||||||||||||||||||||||||||||||
B: | Methanol + 4 mM ammonium formate + 0.1% formic acid | ||||||||||||||||||||||||||||||||||||
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Max Pressure: | 255 bar |
Detector | AB SCIEX API 4000 LC-MS/MS |
---|---|
Ion Source: | TurboIonSpray® |
Ion Mode: | ESI+ |
Ion Spray Voltage: | 5.5 kV |
Curtain Gas: | 30 psi (206.8 kPa) |
Gas 1: | 40 psi (275.8 kPa) |
Gas 2: | 45 psi (310.3 kPa) |
CAD: | 10 psi (68.9 kPa) |
Source Temp.: | 350 °C |
Mode: | Scheduled MRM |
MRM Detection Window: | 60 sec |
Target Scan Time: | 0.33 sec |
Instrument | API LC-MS/MS |
Notes | Q1/Q3 Resolution: Unit Autosampler Temp.: 5 °C |
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