GC Analysis of Glycols in Water on SPB^®-1000 after SPE using ENVI-Carb^™ Plus

技术

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

试验参数

sample preparation: SPE (Solid Phase Extraction)
sample/matrix: tap water spiked at 2 μg/mL with glycols
SPE tube/cartridge: ENVI-Carb Plus reversible cartridge, 400 mg/ 1mL (54812-U)
condition: 1 mL methylene chloride, 2 x 2 mL methanol, 3 mL deionized water (cartridge not allowed to dry during conditioning)
sample addition: 5 mL spiked tap water
drying: 10 min, 10 mm mercury
elution: 2 mL 80:20 methanol:methylene chloride
column: SPB-1000, 30 m x 0.25 mm I.D., 0.25 μm (24313)
oven: 50 °C (1 min), 8 °C/min to 200 °C (7 min)
inj. temp.: 220 °C
detector: FID, 220 °C
carrier gas: helium, 1.5 mL/min. constant
injection: 1 μL, splitless (splitter open at 0.75 min.)
liner: 4 mm I.D. FocusLiner^™ inlet liner with taper

适用性

application for SPE

应用

environmental