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G005284

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

suitable for GC, application for SPE

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About This Item

technique(s)

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

test parameters

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

suitability

application for SPE

application(s)

environmental

Legal Information

ENVI-Carb is a trademark of Sigma-Aldrich Co. LLC
FocusLiner is a trademark of SGE Analytical Science Pty Ltd.
SPB is a registered trademark of Merck KGaA, Darmstadt, Germany

Analyte

Description
    2-Methoxyethanol
    2-Ethoxyethanol
    Ethylene glycol butyl ether
    1,2-Propanediol
    Ethylene glycol
    Diethylene glycol
    Triethylene glycol

SPE tube or plate

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Description
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analytical column

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