analytes in water +25% KCl, pH 10.0
65 μm polydimethylsiloxane/divinylbenzene (57310-U)
immersion, 15 min (rapid stirring)
270 °C for 1 min
PTA-5, 30 m × 0.32 mm I.D., 0.5 μm (24331)
50 °C (1 min), 10 °C/min to 250 °C (2 min)
250 °C
MSD, SIM
helium, 30 cm/sec
0.75 mm I.D., SPME