EPA 552.2 by GC/ECD on ZB-CLPesticides-2 (Helium Gas)

GC Conditions

Official Method

EPA 552.2

Column

Zebron ZB-CLPesticides-2, GC Cap. Column 30 m x 0.32 mm x 0.25 µm, Ea

Part No

7HM-G029-11

Phase Name

ZB-CLPesticides-2

Injection

Splitless @ 250°C

Oven Program

35 °C for 4 min to 250 °C @ 15 °C/min, hold 5 min

Carrier Gas

Constant Flow Helium, 25.0 cm/sec

Detection

Electron Capture (ECD) @ (300°C)

Detection Info

Sample Notes

1.0 µL pulsed splitless @ 25 psi for 0.75 minutes. Analytes are various concentrations in ethyl acetate: 1. Methyl chloroacetate (1500 ng/mL) 2. Methyl bromoacetate (1000 ng/mL) 3. Methyl dichloroacetate (1500 ng/mL) 4. Dalapon methyl ester (1000 ng/mL) 5. Methyl trichloroacetate (500 ng/mL) 6. 1,2,3-Trichloropropane (4000 ng/mL) 7. Methyl bromochloroacetate (1000 ng/mL) 8. Methyl bromodichloroacetate (1000 ng/mL) 9. Methyl dibromoacetate (500 ng/mL) 10. Methyl chlorodibromoacetate (2500 ng/mL) 11. 2,3 dibromopropionate (2000 ng/mL) 12. Methyl tribromoacetate (5000 ng/mL) Y-Connector: AG0-4717 (Fused Quartz) Guard Column: 7AM-G000-00-GZ0 (5 m Z-Guard™) Liner: AG0-8499 (Single Taper with Wool at Bottom) Septum: AG0-4696 (PhenoRed™-400) Inlet Seal: AG0-8620 (Gold-Plated Easy Seal™)