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Peaks | |
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1. | Dalapon methyl ester |
2. | 3,5-Dichlorobenzoic acid methyl ester (SS) |
3. | 4-Nitroanisole |
4. | DCAA methyl ester (SS) |
5. | Dicamba methyl ester |
6. | MCPP methyl ester |
7. | MCPA Methyl ester |
8. | Dichlorprop, methyl ester |
9. | 4,4'-DBOB (IS) |
10. | 2,4-D methyl ester |
Peaks | |
---|---|
11. | Pentachloroanisole |
12. | 2,4,5-TP, methyl ester |
13. | 2,4,5-T methyl ester |
14. | Chloramben, methyl ester |
15. | 2,4-DB methyl ester |
16. | Dinoseb methyl ester |
17. | Bentazon methyl ester |
18. | DCPA methyl ester (Chlorthal-dimethyl) |
19. | Pichloram methyl ester |
20. | Acifluorfen methyl ester |
Columns | Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324) |
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and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141) | |
using Rxi deactivated guard column 5 m, 0.32 mm ID (cat.# 10039) | |
with universal “Y” Press-Tight connector (cat.# 20405-261) | |
Standard/Sample | 200 ng/mL herbicide mix #1 (cat.# 32055) |
1,000 ng/mL dalapon methyl ester (cat.# 32057) | |
20,000 ng/mL herbicide mix #3 (cat.# 32059) | |
200 ng/mL herbicide mix #4 (cat.# 32062) | |
250 ng/mL 4,4'-dibromooctafluorobiphenyl (cat.# 32053) | |
400 ng/mL 2,4-dichlorophenyl acetic acid methyl ester (cat.# 32050) | |
Diluent: | hexane |
Injection | |
Inj. Vol.: | 1.0 µL splitless (hold 0.75 min) |
Liner: | Cyclo double taper (4 mm) (cat.# 20895) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 70 °C (hold 0.5 min) to 190 °C at 25 °C/min (hold 1 min) to 300 °C at 11 °C/min (hold 5 min) |
Carrier Gas | He, constant pressure |
Linear Velocity: | 36 cm/sec @ 70 °C |
Detector | Micro_ECD @ 325 °C |
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Instrument | Agilent/HP6890 GC |
Notes | This chromatogram was obtained using an Agilent micro-ECD. To obtain comparable results, you will need to employ a micro-ECD in addition to confirmational dual columns connected to a 5-meter guard column using a “Y” Press-Tight connector. |
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