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G005618

GC Analysis of Aromatics in Reformulated Gasoline on SLB®-IL111

suitable for GC

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About This Item

technique(s)

gas chromatography (GC): suitable

test parameters

column: SLB-IL111, 60 m x 0.25 mm I.D., 0.20 μm (28928-U)
oven: 50 °C (3 min), 15 °C/min to 265 °C (5 min)
inj. temp.: 250 °C
detector: FID, 265 °C
carrier gas: helium, 30 cm/sec
injection: 0.5 μL, 200:1 split
liner: 4 mm I.D., splitless type, single taper wool packed FocusLiner™ design
sample: reformulated unleaded gasoline

application(s)

petroleum

Analysis Note

This application illustrates the analysis of a sample of reformulated gasoline on a 60 m SLB-IL111 ionic liquid column. Due to the extremely polar nature of the phase, the aliphatics elute prior to the aromatics. The high level of ethanol in reformulated gasoline can pose a problem in the detection and quantification of benzene. The SLB-IL111 provided separation between these two compounds, with a starting temperature of 50 °C providing the best resolution. The SLB-IL111 has a maximum operating temperature of 270 °C, which is extremely high for a phase of this polarity. The high maximum temperature was utilized in this analysis to elute the napthalenes in < 15 minutes.

Legal Information

FocusLiner is a trademark of SGE Analytical Science Pty Ltd.
SLB is a registered trademark of Merck KGaA, Darmstadt, Germany

Analyte

Description
    Ethanol
    Dodecane
    Benzene
    Tridecane
    Toluene
    Tetradecane
    Ethylbenzene
    p-Xylene
    m-Xylene
    o-Xylene
    1,2,4-Trimethylbenzene
    1,2,3-Trimethylbenzene
    Durene
    Naphthalene
    2-Methylnaphthalene
    1-Methylnaphthalene
    See All (16)

Analytical column

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