GC Analysis of Amines in Water on SPB^®-1 SULFUR (Base Deactivated) after SPME using 65 μm PDMS/DVB Fiber

sample/matrix

1 ppm each in water with 25% NaCl, 0.05 M phosphate Buffer pH 11

SPME fiber

PDMS-DVB metal fiber

extraction

10 min immersion

desorption process

3 min @ 250 °C

column

SPB-1 SULFUR (amine deactivated), 30 m x 0.32 mm I.D., 4.0 μm (custom)

oven

45 °C (1.5 min), 8 °C/min to 80 °C, 20 °C/min to 200 °C

inj. temp.

250 °C

detector

FID

injection

splitless closed (initial 0.75 min)