Table 1.
The GC–MS instrument and condition that used to analysis of NDL-PCB in edible oils.
| Parameter | Value | Unit |
|---|---|---|
| Sample volume | 1 | μL |
| Initial temperature | 40 | °C |
| Initial time | 1 | min |
| Ion source temperature | 230 | °C |
| Injection port temperature | 230 | °C |
| Ion source: Electron impact (EI) | 0 | eV |
| Analyzer | Quadrupole | |
| Flow rate | 1 | mL/min |
| Final time | 10 | min |
| Split rate | 100 | mL/min |
| Final temperature | 270 | °C |
| Program rate | 3 | °C/min |
| Carrier gas | Helium 99.1 % | |
Column: Rtx 5 MS (Length: 30 m, I.D.: 0.250 mm, Film thickness: 25 μm).