Haloacetic Acids & Dalapon by EPA Method 552.2 on Rtx-CLPesticides & Rtx-CLPesticides2
Peaks | Conc. (µg/mL) | |
---|---|---|
1. | Methyl monochloroacetate![]() | 1.2 |
2. | Methyl monobromoacetate![]() | 0.8 |
3. | Methyl dichloroacetate![]() | 1.2 |
4. | Dalapon methyl ester![]() | 2 |
5. | Methyl trichloroacetate![]() | 0.4 |
6. | 1,2,3-Trichloropropane (IS)![]() | 4 |

GC_EV01006
Columns | Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324) |
and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141) | |
using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039) | |
with deactivated universal “Y” Press-Tight connector (cat.# 20405-261) | |
Sample | Haloacetic acid methyl ester mix #2 (cat.# 31647) |
Dalapon methyl ester (cat.# 32057) | |
Methyl-2,3-dibromopropionate (cat.# 31656) | |
1,2,3-Trichloropropane (cat.# 31648) | |
Diluent: | Methyl tert-butyl ether (MTBE) |
Injection | |
Inj. Vol.: | 1.0 µL splitless (hold 0.75 min) |
Liner: | Cyclo double taper (4 mm) (cat.# 20896) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 35 °C (hold 4 min) to 250 °C at 15 °C/min (hold 5 min) |
Carrier Gas | He, constant flow |
Linear Velocity: | 25 cm/sec |
Detector | Micro-ECD @ 300 °C |
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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