GC Analysis of Nitrosamines in Water on PTA-5 after SPME using 65 μm PDMS/DVB Fiber

技术

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

试验参数

sample/matrix: analytes in water +25% KCl, pH 10.0
SPME fiber: 65 μm polydimethylsiloxane/divinylbenzene (57310-U)
extraction: immersion, 15 min (rapid stirring)
desorption process: 270 °C for 1 min
column: PTA-5, 30 m × 0.32 mm I.D., 0.5 μm (24331)
oven: 50 °C (1 min), 10 °C/min to 250 °C (2 min)
inj. temp.: 250 °C
detector: MSD, SIM
carrier gas: helium, 30 cm/sec
liner: 0.75 mm I.D., SPME

适用性

application for SPME

应用

chemicals and industrial polymers
environmental
food and beverages