GC Analysis of Gasoline Residue in Arson Samples on a 100% Methyl Column after SPME using 100 μm PDMS Fiber

技术

gas chromatography (GC): suitable
solid phase microextraction (SPME): suitable

试验参数

SPME fiber: polydimethylsiloxane phase fiber, 100 μm headspace sampling (20 min) 10 sec desorption (splitless mode) (57300-U)
column: 100% methyl polysiloxane, 30 m × 0.25 mm I.D., 0.25 μm (Supelco equivalent, Equity-1, 28046-U)
oven: 35 °C (2 min) to 220 °C at 10 °C/min, hold 2 min, to 300 °C at 30 °C/min, hold 5 min
inj. temp.: splitless (closed 3 min), 220 °C (2 mm I.D. injector liner)
detector: FID, 300 °C
carrier gas: helium, 1 mL/min (split 50:1)

适用性

application for SPME

应用

forensics and toxicology