Phenols in water
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SPME fiber assembly polyacrylate (PA)
df 85 μm(PA, for use with manual holder, needle size 24 gaCONDITIONS
sample/matrix
50 ppb phenols in water, 27% NaCl, pH 2
SPME fiber
polyacrylate, 85 μm (57304)
extraction
20 min immersed in water with rapid stirring
desorption process
splitless, 280 °C (closed 3 min)
column
5% Phenyl Polysiloxane, 30 m × 0.25 mm I.D., 0.25 μm (Supelco equivalent, SLB-5ms, 28471-U)
oven
40 °C (4 min), 12 °C/min to 260 °C
detector
MS, Scan Range m/z = 45-465 at 0.6 sec/scan
carrier gas
helium, 40 cm/sec at 40 °C