GC Analysis of Solvents in Water on SPB^®-1 SULFUR after SPME using 75 μm Carboxen/PDMS Fiber

sample/matrix

solvents at 20 ppb in 4 mL water + 25% NaCl in 4 mL vial

SPME fiber

carboxen/PDMS, 75 μm (57318)

extraction

immersion, 10 min, rapid stirring

desorption process

270 °C, 5 min

column

SPB-1 SULFUR, 30 m × 0.32 mm I.D., 4.0 μm film (24158)

oven

50°C (2 min) to 150°C at 10°C/min

inj. temp.

splitless (closed 2 min), 260°C, 0.75 mm I.D. liner

detector

FID

carrier gas

helium, 30 cm/sec