Volatiles

SPME fiber

polydimethylsiloxane, 100 μm (57300-U)

extraction

5 min immersed in water with rapid stirring

column

SPB-1, 10 m × 0.20 mm I.D., 1.2 μm (24134-U)

oven

40 °C ( 0.75 min) to 160 °C at 20 °C/min

inj. temp.

230 °C, splitless (closed 3 min)

detector

FID, 260 °C

carrier gas

helium, 40 cm/sec

sample

50ppb each analyte in 1.8 mL saturated salt water