GC Analysis of Phenols in Water on a 5% Phenyl Column after SPE using Supelclean^™ ENVI-Chrom P

技术

gas chromatography (GC): suitable
solid phase extraction (SPE): suitable

试验参数

sample preparation: SPE (Solid Phase Extraction)
sample/matrix: water spiked with phenol compounds
SPE tube/cartridge: Supelclean ENVI-Chrom P, 250 mg/6 mL (57225-U)
condition: 6 mL methyl t-butyl or ethyl acetate; 6 mL acetonitrile. Equilibrate with 6 mL DI water
sample addition: 100 mL water sample.
drying: 10 min using vacuum
elution: 5 mL methyl t-butyl ether acetate dropwise allowing initial 2 mL to soak in SPE bed
column: 5% Phenyl Polysiloxane, 15 m × 0.53 mm I.D., 0.50 μm (Supelco equivalent, Equity-5, 28252-U)
oven: 65 °C, 10 °C/min to 185 °C (1 min), 20 °C/min to 275 °C (5 min)
detector: FID, 300 °C
carrier gas: helium
injection: 1 μL, splitless (45 sec hold)

适用性

application for SPE

应用

chemicals and industrial polymers
environmental
food and beverages