Table 1 Analytical parameters used for VOCs extraction, separation, and detection by HS/SPME-GC/MS
From: Volatile organic compounds: instrumental and canine detections link an individual to the crime scene
Gas chromatography/head space | |
Fiber | Polydimethylsiloxane/divinylbenzene (65 μm) |
Incubation time | 10 min |
Constant incubation temperature | 40 °C |
Column | DB-5-MS (30 m × 0.25 mm ID, 0.25 μm) |
Carrier gas | Helium |
Constant flow | 1.0 ml/min |
Inlet temperature | 200 °C |
Ramp | 50 °C for 3 min |
10 °C/min until 200 °C | |
Hold time | 10 min |
Oven run-time | 28 min |
Mass detector | |
Ionization mode | Electron ionization |
Full-scan mass range | 50–650 m/z |