GC Analysis of Trichloroanisole (TCA) and Precursors in Red Wine on SLB^®-5ms after SPME using 100 μm PDMS Fiber

技术

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

试验参数

sample/matrix: 1.5 mL red wine + 600 μL 5% potassium carbonate + 240 mg sodium chloride + 60 μL acetic anhydride
SPME fiber: metal fiber coated with 100 μm PDMS (57928-U)
extraction: headspace, 50 °C for 30 min., with stirring
desorption process: 250 °C for 3 min
column: SLB-5ms, 30 m x 0.25 mm I.D., 0.25 μm (28471-U)
oven: 50 °C (1 min), 25 °C/min to 280 °C
detector: ECD, 290 °C
carrier gas: helium, 1.5 mL/min, constant
liner: 0.75 mm I.D. SPME

适用性

application for SPME

应用

food and beverages