Research Article

Photocatalytic Degradation of Pesticides in Natural Water: Effect of Hydrogen Peroxide

Table 2

Conditions of pesticide analysis.

Gas chromatographer TRACE GC 2000 (Thermo Finnigan)

ColumnDB5-MS (J&W, 30 m, 0.25 mm, 0.25 μm)
Program of temperatures90°C (1 min), 20°C min−1, 180°C (1 min), 2°C min−1, 240°C (1 min), 20°C min−1, 310°C (10 min)
Injector temperature250°C
Injection volume1 μL, splitless 0.8 min
Carrier gasHe (N55), 1 mL min−1

Mass spectrometer POLARIS (Thermo Finnigan)

Ionization energy70 eV
Acquisition modeFull scan
Mass interval50–450 amu
Screen speed1 scan s−1
Acquisition time32.5 min